Home / 22,210.62-30,652.40-12,650.91

Finding the Fourth Proportional to 22,210.62, 30,652.40 and 12,650.91

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Solution

The fourth proportional to 22,210.62, 30,652.40 and 12,650.91 is: 17,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.62 : 30,652.40 = 12,650.91 : x
  2. Step 2: Convert to fraction form
    22,210.62/30,652.40 = 12,650.91/x
  3. Step 3: Cross multiply
    22,210.62x = 30,652.40 × 12,650.91
  4. Step 4: Simplify right side
    22,210.62x = 387,780,753.68
  5. Step 5: Solve for x
    x = 387,780,753.68/22,210.62
  6. Step 6: Final answer
    x = 17,459.25

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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.