Home / 29,386.68-40,553.10-16,809.72

Finding the Fourth Proportional to 29,386.68, 40,553.10 and 16,809.72

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Solution

The fourth proportional to 29,386.68, 40,553.10 and 16,809.72 is: 23,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.68 : 40,553.10 = 16,809.72 : x
  2. Step 2: Convert to fraction form
    29,386.68/40,553.10 = 16,809.72/x
  3. Step 3: Cross multiply
    29,386.68x = 40,553.10 × 16,809.72
  4. Step 4: Simplify right side
    29,386.68x = 681,686,256.13
  5. Step 5: Solve for x
    x = 681,686,256.13/29,386.68
  6. Step 6: Final answer
    x = 23,197.12

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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.