Home / 23,117.20-31,901.61-13,048.91

Finding the Fourth Proportional to 23,117.20, 31,901.61 and 13,048.91

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Solution

The fourth proportional to 23,117.20, 31,901.61 and 13,048.91 is: 18,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.20 : 31,901.61 = 13,048.91 : x
  2. Step 2: Convert to fraction form
    23,117.20/31,901.61 = 13,048.91/x
  3. Step 3: Cross multiply
    23,117.20x = 31,901.61 × 13,048.91
  4. Step 4: Simplify right side
    23,117.20x = 416,281,236.61
  5. Step 5: Solve for x
    x = 416,281,236.61/23,117.20
  6. Step 6: Final answer
    x = 18,007.43

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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.