Home / 22,098.88-30,484.16-16,785.28

Finding the Fourth Proportional to 22,098.88, 30,484.16 and 16,785.28

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Solution

The fourth proportional to 22,098.88, 30,484.16 and 16,785.28 is: 23,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,098.88 : 30,484.16 = 16,785.28 : x
  2. Step 2: Convert to fraction form
    22,098.88/30,484.16 = 16,785.28/x
  3. Step 3: Cross multiply
    22,098.88x = 30,484.16 × 16,785.28
  4. Step 4: Simplify right side
    22,098.88x = 511,685,161.16
  5. Step 5: Solve for x
    x = 511,685,161.16/22,098.88
  6. Step 6: Final answer
    x = 23,154.35

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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.