Home / 29,181.20-40,266.12-16,434.32

Finding the Fourth Proportional to 29,181.20, 40,266.12 and 16,434.32

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Solution

The fourth proportional to 29,181.20, 40,266.12 and 16,434.32 is: 22,677.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,181.20 : 40,266.12 = 16,434.32 : x
  2. Step 2: Convert to fraction form
    29,181.20/40,266.12 = 16,434.32/x
  3. Step 3: Cross multiply
    29,181.20x = 40,266.12 × 16,434.32
  4. Step 4: Simplify right side
    29,181.20x = 661,746,301.24
  5. Step 5: Solve for x
    x = 661,746,301.24/29,181.20
  6. Step 6: Final answer
    x = 22,677.14

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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.