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Finding the Fourth Proportional to 14,347.60, 19,798.60 and 8,058.76

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Solution

The fourth proportional to 14,347.60, 19,798.60 and 8,058.76 is: 11,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.60 : 19,798.60 = 8,058.76 : x
  2. Step 2: Convert to fraction form
    14,347.60/19,798.60 = 8,058.76/x
  3. Step 3: Cross multiply
    14,347.60x = 19,798.60 × 8,058.76
  4. Step 4: Simplify right side
    14,347.60x = 159,552,165.74
  5. Step 5: Solve for x
    x = 159,552,165.74/14,347.60
  6. Step 6: Final answer
    x = 11,120.48

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Half scale
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Double scale
Find fourth proportional to 14,348.60, 19,799.98 and 8,059.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.