Home / 22,513.80-31,068.26-12,442.06

Finding the Fourth Proportional to 22,513.80, 31,068.26 and 12,442.06

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Solution

The fourth proportional to 22,513.80, 31,068.26 and 12,442.06 is: 17,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513.80 : 31,068.26 = 12,442.06 : x
  2. Step 2: Convert to fraction form
    22,513.80/31,068.26 = 12,442.06/x
  3. Step 3: Cross multiply
    22,513.80x = 31,068.26 × 12,442.06
  4. Step 4: Simplify right side
    22,513.80x = 386,553,155.02
  5. Step 5: Solve for x
    x = 386,553,155.02/22,513.80
  6. Step 6: Final answer
    x = 17,169.61

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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.