Home / 16,574.28-22,859.36-11,720.42

Finding the Fourth Proportional to 16,574.28, 22,859.36 and 11,720.42

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Solution

The fourth proportional to 16,574.28, 22,859.36 and 11,720.42 is: 16,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,574.28 : 22,859.36 = 11,720.42 : x
  2. Step 2: Convert to fraction form
    16,574.28/22,859.36 = 11,720.42/x
  3. Step 3: Cross multiply
    16,574.28x = 22,859.36 × 11,720.42
  4. Step 4: Simplify right side
    16,574.28x = 267,921,300.13
  5. Step 5: Solve for x
    x = 267,921,300.13/16,574.28
  6. Step 6: Final answer
    x = 16,164.88

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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.