Home / 23,150.73-31,947.35-13,590.47

Finding the Fourth Proportional to 23,150.73, 31,947.35 and 13,590.47

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Solution

The fourth proportional to 23,150.73, 31,947.35 and 13,590.47 is: 18,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150.73 : 31,947.35 = 13,590.47 : x
  2. Step 2: Convert to fraction form
    23,150.73/31,947.35 = 13,590.47/x
  3. Step 3: Cross multiply
    23,150.73x = 31,947.35 × 13,590.47
  4. Step 4: Simplify right side
    23,150.73x = 434,179,440.03
  5. Step 5: Solve for x
    x = 434,179,440.03/23,150.73
  6. Step 6: Final answer
    x = 18,754.46

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Double scale
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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.