Home / 16,515.48-22,785.78-9,436.88

Finding the Fourth Proportional to 16,515.48, 22,785.78 and 9,436.88

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Solution

The fourth proportional to 16,515.48, 22,785.78 and 9,436.88 is: 13,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.48 : 22,785.78 = 9,436.88 : x
  2. Step 2: Convert to fraction form
    16,515.48/22,785.78 = 9,436.88/x
  3. Step 3: Cross multiply
    16,515.48x = 22,785.78 × 9,436.88
  4. Step 4: Simplify right side
    16,515.48x = 215,026,671.57
  5. Step 5: Solve for x
    x = 215,026,671.57/16,515.48
  6. Step 6: Final answer
    x = 13,019.70

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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.