Home / 19,029.58-26,269.98-12,666.76

Finding the Fourth Proportional to 19,029.58, 26,269.98 and 12,666.76

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Solution

The fourth proportional to 19,029.58, 26,269.98 and 12,666.76 is: 17,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.58 : 26,269.98 = 12,666.76 : x
  2. Step 2: Convert to fraction form
    19,029.58/26,269.98 = 12,666.76/x
  3. Step 3: Cross multiply
    19,029.58x = 26,269.98 × 12,666.76
  4. Step 4: Simplify right side
    19,029.58x = 332,755,531.86
  5. Step 5: Solve for x
    x = 332,755,531.86/19,029.58
  6. Step 6: Final answer
    x = 17,486.23

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Half scale
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Double scale
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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.