Home / 22,636.15-31,236.41-12,564.11

Finding the Fourth Proportional to 22,636.15, 31,236.41 and 12,564.11

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Solution

The fourth proportional to 22,636.15, 31,236.41 and 12,564.11 is: 17,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.15 : 31,236.41 = 12,564.11 : x
  2. Step 2: Convert to fraction form
    22,636.15/31,236.41 = 12,564.11/x
  3. Step 3: Cross multiply
    22,636.15x = 31,236.41 × 12,564.11
  4. Step 4: Simplify right side
    22,636.15x = 392,457,691.25
  5. Step 5: Solve for x
    x = 392,457,691.25/22,636.15
  6. Step 6: Final answer
    x = 17,337.65

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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.