Home / 23,148.15-31,944.45-13,076.61

Finding the Fourth Proportional to 23,148.15, 31,944.45 and 13,076.61

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Solution

The fourth proportional to 23,148.15, 31,944.45 and 13,076.61 is: 18,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.15 : 31,944.45 = 13,076.61 : x
  2. Step 2: Convert to fraction form
    23,148.15/31,944.45 = 13,076.61/x
  3. Step 3: Cross multiply
    23,148.15x = 31,944.45 × 13,076.61
  4. Step 4: Simplify right side
    23,148.15x = 417,725,114.31
  5. Step 5: Solve for x
    x = 417,725,114.31/23,148.15
  6. Step 6: Final answer
    x = 18,045.72

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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.