Home / 22,565.80-31,141.95-12,495.35

Finding the Fourth Proportional to 22,565.80, 31,141.95 and 12,495.35

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Solution

The fourth proportional to 22,565.80, 31,141.95 and 12,495.35 is: 17,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565.80 : 31,141.95 = 12,495.35 : x
  2. Step 2: Convert to fraction form
    22,565.80/31,141.95 = 12,495.35/x
  3. Step 3: Cross multiply
    22,565.80x = 31,141.95 × 12,495.35
  4. Step 4: Simplify right side
    22,565.80x = 389,129,564.93
  5. Step 5: Solve for x
    x = 389,129,564.93/22,565.80
  6. Step 6: Final answer
    x = 17,244.22

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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.