Home / 22,800.70-31,461.91-12,727.68

Finding the Fourth Proportional to 22,800.70, 31,461.91 and 12,727.68

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Solution

The fourth proportional to 22,800.70, 31,461.91 and 12,727.68 is: 17,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.70 : 31,461.91 = 12,727.68 : x
  2. Step 2: Convert to fraction form
    22,800.70/31,461.91 = 12,727.68/x
  3. Step 3: Cross multiply
    22,800.70x = 31,461.91 × 12,727.68
  4. Step 4: Simplify right side
    22,800.70x = 400,437,122.67
  5. Step 5: Solve for x
    x = 400,437,122.67/22,800.70
  6. Step 6: Final answer
    x = 17,562.49

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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.