Home / 22,590.88-31,176.67-12,519.11

Finding the Fourth Proportional to 22,590.88, 31,176.67 and 12,519.11

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Solution

The fourth proportional to 22,590.88, 31,176.67 and 12,519.11 is: 17,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.88 : 31,176.67 = 12,519.11 : x
  2. Step 2: Convert to fraction form
    22,590.88/31,176.67 = 12,519.11/x
  3. Step 3: Cross multiply
    22,590.88x = 31,176.67 × 12,519.11
  4. Step 4: Simplify right side
    22,590.88x = 390,304,192.16
  5. Step 5: Solve for x
    x = 390,304,192.16/22,590.88
  6. Step 6: Final answer
    x = 17,277.07

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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.