Home / 22,489.51-31,034.68-12,417.73

Finding the Fourth Proportional to 22,489.51, 31,034.68 and 12,417.73

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Solution

The fourth proportional to 22,489.51, 31,034.68 and 12,417.73 is: 17,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.51 : 31,034.68 = 12,417.73 : x
  2. Step 2: Convert to fraction form
    22,489.51/31,034.68 = 12,417.73/x
  3. Step 3: Cross multiply
    22,489.51x = 31,034.68 × 12,417.73
  4. Step 4: Simplify right side
    22,489.51x = 385,380,276.88
  5. Step 5: Solve for x
    x = 385,380,276.88/22,489.51
  6. Step 6: Final answer
    x = 17,136.00

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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.