Home / 22,601.62-31,188.54-12,529.09

Finding the Fourth Proportional to 22,601.62, 31,188.54 and 12,529.09

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Solution

The fourth proportional to 22,601.62, 31,188.54 and 12,529.09 is: 17,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.62 : 31,188.54 = 12,529.09 : x
  2. Step 2: Convert to fraction form
    22,601.62/31,188.54 = 12,529.09/x
  3. Step 3: Cross multiply
    22,601.62x = 31,188.54 × 12,529.09
  4. Step 4: Simplify right side
    22,601.62x = 390,764,024.63
  5. Step 5: Solve for x
    x = 390,764,024.63/22,601.62
  6. Step 6: Final answer
    x = 17,289.20

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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.