Home / 22,652.10-31,261.68-12,581.46

Finding the Fourth Proportional to 22,652.10, 31,261.68 and 12,581.46

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Solution

The fourth proportional to 22,652.10, 31,261.68 and 12,581.46 is: 17,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,652.10 : 31,261.68 = 12,581.46 : x
  2. Step 2: Convert to fraction form
    22,652.10/31,261.68 = 12,581.46/x
  3. Step 3: Cross multiply
    22,652.10x = 31,261.68 × 12,581.46
  4. Step 4: Simplify right side
    22,652.10x = 393,317,576.45
  5. Step 5: Solve for x
    x = 393,317,576.45/22,652.10
  6. Step 6: Final answer
    x = 17,363.40

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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.