Home / 22,372.92-30,875.40-12,301.74

Finding the Fourth Proportional to 22,372.92, 30,875.40 and 12,301.74

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Solution

The fourth proportional to 22,372.92, 30,875.40 and 12,301.74 is: 16,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.92 : 30,875.40 = 12,301.74 : x
  2. Step 2: Convert to fraction form
    22,372.92/30,875.40 = 12,301.74/x
  3. Step 3: Cross multiply
    22,372.92x = 30,875.40 × 12,301.74
  4. Step 4: Simplify right side
    22,372.92x = 379,821,143.20
  5. Step 5: Solve for x
    x = 379,821,143.20/22,372.92
  6. Step 6: Final answer
    x = 16,976.82

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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.