Home / 23,666.40-32,659.56-13,057.20

Finding the Fourth Proportional to 23,666.40, 32,659.56 and 13,057.20

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Solution

The fourth proportional to 23,666.40, 32,659.56 and 13,057.20 is: 18,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,666.40 : 32,659.56 = 13,057.20 : x
  2. Step 2: Convert to fraction form
    23,666.40/32,659.56 = 13,057.20/x
  3. Step 3: Cross multiply
    23,666.40x = 32,659.56 × 13,057.20
  4. Step 4: Simplify right side
    23,666.40x = 426,442,406.83
  5. Step 5: Solve for x
    x = 426,442,406.83/23,666.40
  6. Step 6: Final answer
    x = 18,018.90

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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.