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Finding the Fourth Proportional to 14,347.74, 19,798.98 and 7,973.94

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Solution

The fourth proportional to 14,347.74, 19,798.98 and 7,973.94 is: 11,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.74 : 19,798.98 = 7,973.94 : x
  2. Step 2: Convert to fraction form
    14,347.74/19,798.98 = 7,973.94/x
  3. Step 3: Cross multiply
    14,347.74x = 19,798.98 × 7,973.94
  4. Step 4: Simplify right side
    14,347.74x = 157,875,878.58
  5. Step 5: Solve for x
    x = 157,875,878.58/14,347.74
  6. Step 6: Final answer
    x = 11,003.54

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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.