Home / 22,785.64-31,444.92-13,224.80

Finding the Fourth Proportional to 22,785.64, 31,444.92 and 13,224.80

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Solution

The fourth proportional to 22,785.64, 31,444.92 and 13,224.80 is: 18,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.64 : 31,444.92 = 13,224.80 : x
  2. Step 2: Convert to fraction form
    22,785.64/31,444.92 = 13,224.80/x
  3. Step 3: Cross multiply
    22,785.64x = 31,444.92 × 13,224.80
  4. Step 4: Simplify right side
    22,785.64x = 415,852,778.02
  5. Step 5: Solve for x
    x = 415,852,778.02/22,785.64
  6. Step 6: Final answer
    x = 18,250.65

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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.