Home / 22,627.02-31,226.13-13,672.81

Finding the Fourth Proportional to 22,627.02, 31,226.13 and 13,672.81

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Solution

The fourth proportional to 22,627.02, 31,226.13 and 13,672.81 is: 18,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.02 : 31,226.13 = 13,672.81 : x
  2. Step 2: Convert to fraction form
    22,627.02/31,226.13 = 13,672.81/x
  3. Step 3: Cross multiply
    22,627.02x = 31,226.13 × 13,672.81
  4. Step 4: Simplify right side
    22,627.02x = 426,948,942.53
  5. Step 5: Solve for x
    x = 426,948,942.53/22,627.02
  6. Step 6: Final answer
    x = 18,868.99

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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.