Home / 22,629.47-31,230.12-12,557.93

Finding the Fourth Proportional to 22,629.47, 31,230.12 and 12,557.93

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Solution

The fourth proportional to 22,629.47, 31,230.12 and 12,557.93 is: 17,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629.47 : 31,230.12 = 12,557.93 : x
  2. Step 2: Convert to fraction form
    22,629.47/31,230.12 = 12,557.93/x
  3. Step 3: Cross multiply
    22,629.47x = 31,230.12 × 12,557.93
  4. Step 4: Simplify right side
    22,629.47x = 392,185,504.70
  5. Step 5: Solve for x
    x = 392,185,504.70/22,629.47
  6. Step 6: Final answer
    x = 17,330.75

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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.