Home / 22,496.72-31,044.87-12,424.45

Finding the Fourth Proportional to 22,496.72, 31,044.87 and 12,424.45

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Solution

The fourth proportional to 22,496.72, 31,044.87 and 12,424.45 is: 17,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,496.72 : 31,044.87 = 12,424.45 : x
  2. Step 2: Convert to fraction form
    22,496.72/31,044.87 = 12,424.45/x
  3. Step 3: Cross multiply
    22,496.72x = 31,044.87 × 12,424.45
  4. Step 4: Simplify right side
    22,496.72x = 385,715,357.46
  5. Step 5: Solve for x
    x = 385,715,357.46/22,496.72
  6. Step 6: Final answer
    x = 17,145.40

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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.