Home / 22,489.48-31,035.28-12,417.94

Finding the Fourth Proportional to 22,489.48, 31,035.28 and 12,417.94

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Solution

The fourth proportional to 22,489.48, 31,035.28 and 12,417.94 is: 17,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.48 : 31,035.28 = 12,417.94 : x
  2. Step 2: Convert to fraction form
    22,489.48/31,035.28 = 12,417.94/x
  3. Step 3: Cross multiply
    22,489.48x = 31,035.28 × 12,417.94
  4. Step 4: Simplify right side
    22,489.48x = 385,394,244.92
  5. Step 5: Solve for x
    x = 385,394,244.92/22,489.48
  6. Step 6: Final answer
    x = 17,136.65

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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.