Home / 35,513.10-53,269.65-13,327.20

Finding the Fourth Proportional to 35,513.10, 53,269.65 and 13,327.20

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Solution

The fourth proportional to 35,513.10, 53,269.65 and 13,327.20 is: 19,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.10 : 53,269.65 = 13,327.20 : x
  2. Step 2: Convert to fraction form
    35,513.10/53,269.65 = 13,327.20/x
  3. Step 3: Cross multiply
    35,513.10x = 53,269.65 × 13,327.20
  4. Step 4: Simplify right side
    35,513.10x = 709,935,279.48
  5. Step 5: Solve for x
    x = 709,935,279.48/35,513.10
  6. Step 6: Final answer
    x = 19,990.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.