Home / 22,585.88-31,152.12-13,629.44

Finding the Fourth Proportional to 22,585.88, 31,152.12 and 13,629.44

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Solution

The fourth proportional to 22,585.88, 31,152.12 and 13,629.44 is: 18,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.88 : 31,152.12 = 13,629.44 : x
  2. Step 2: Convert to fraction form
    22,585.88/31,152.12 = 13,629.44/x
  3. Step 3: Cross multiply
    22,585.88x = 31,152.12 × 13,629.44
  4. Step 4: Simplify right side
    22,585.88x = 424,585,950.41
  5. Step 5: Solve for x
    x = 424,585,950.41/22,585.88
  6. Step 6: Final answer
    x = 18,798.73

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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.