Home / 22,627.15-31,225.41-12,557.11

Finding the Fourth Proportional to 22,627.15, 31,225.41 and 12,557.11

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Solution

The fourth proportional to 22,627.15, 31,225.41 and 12,557.11 is: 17,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.15 : 31,225.41 = 12,557.11 : x
  2. Step 2: Convert to fraction form
    22,627.15/31,225.41 = 12,557.11/x
  3. Step 3: Cross multiply
    22,627.15x = 31,225.41 × 12,557.11
  4. Step 4: Simplify right side
    22,627.15x = 392,100,908.17
  5. Step 5: Solve for x
    x = 392,100,908.17/22,627.15
  6. Step 6: Final answer
    x = 17,328.78

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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.