Home / 22,488.75-31,035.70-12,417.17

Finding the Fourth Proportional to 22,488.75, 31,035.70 and 12,417.17

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Solution

The fourth proportional to 22,488.75, 31,035.70 and 12,417.17 is: 17,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.75 : 31,035.70 = 12,417.17 : x
  2. Step 2: Convert to fraction form
    22,488.75/31,035.70 = 12,417.17/x
  3. Step 3: Cross multiply
    22,488.75x = 31,035.70 × 12,417.17
  4. Step 4: Simplify right side
    22,488.75x = 385,375,376.75
  5. Step 5: Solve for x
    x = 385,375,376.75/22,488.75
  6. Step 6: Final answer
    x = 17,136.36

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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.