Home / 22,605.15-31,196.09-12,532.95

Finding the Fourth Proportional to 22,605.15, 31,196.09 and 12,532.95

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Solution

The fourth proportional to 22,605.15, 31,196.09 and 12,532.95 is: 17,296.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.15 : 31,196.09 = 12,532.95 : x
  2. Step 2: Convert to fraction form
    22,605.15/31,196.09 = 12,532.95/x
  3. Step 3: Cross multiply
    22,605.15x = 31,196.09 × 12,532.95
  4. Step 4: Simplify right side
    22,605.15x = 390,979,036.17
  5. Step 5: Solve for x
    x = 390,979,036.17/22,605.15
  6. Step 6: Final answer
    x = 17,296.02

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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.