Home / 22,590.84-31,177.56-12,522.56

Finding the Fourth Proportional to 22,590.84, 31,177.56 and 12,522.56

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Solution

The fourth proportional to 22,590.84, 31,177.56 and 12,522.56 is: 17,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.84 : 31,177.56 = 12,522.56 : x
  2. Step 2: Convert to fraction form
    22,590.84/31,177.56 = 12,522.56/x
  3. Step 3: Cross multiply
    22,590.84x = 31,177.56 × 12,522.56
  4. Step 4: Simplify right side
    22,590.84x = 390,422,865.75
  5. Step 5: Solve for x
    x = 390,422,865.75/22,590.84
  6. Step 6: Final answer
    x = 17,282.35

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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.