Home / 29,555.12-40,785.48-16,126.64

Finding the Fourth Proportional to 29,555.12, 40,785.48 and 16,126.64

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Solution

The fourth proportional to 29,555.12, 40,785.48 and 16,126.64 is: 22,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,555.12 : 40,785.48 = 16,126.64 : x
  2. Step 2: Convert to fraction form
    29,555.12/40,785.48 = 16,126.64/x
  3. Step 3: Cross multiply
    29,555.12x = 40,785.48 × 16,126.64
  4. Step 4: Simplify right side
    29,555.12x = 657,732,753.19
  5. Step 5: Solve for x
    x = 657,732,753.19/29,555.12
  6. Step 6: Final answer
    x = 22,254.44

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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.