Home / 22,496.40-31,044.51-12,424.62

Finding the Fourth Proportional to 22,496.40, 31,044.51 and 12,424.62

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Solution

The fourth proportional to 22,496.40, 31,044.51 and 12,424.62 is: 17,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,496.40 : 31,044.51 = 12,424.62 : x
  2. Step 2: Convert to fraction form
    22,496.40/31,044.51 = 12,424.62/x
  3. Step 3: Cross multiply
    22,496.40x = 31,044.51 × 12,424.62
  4. Step 4: Simplify right side
    22,496.40x = 385,716,239.84
  5. Step 5: Solve for x
    x = 385,716,239.84/22,496.40
  6. Step 6: Final answer
    x = 17,145.69

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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.