Home / 18,146.52-25,043.40-11,074.14

Finding the Fourth Proportional to 18,146.52, 25,043.40 and 11,074.14

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Solution

The fourth proportional to 18,146.52, 25,043.40 and 11,074.14 is: 15,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.52 : 25,043.40 = 11,074.14 : x
  2. Step 2: Convert to fraction form
    18,146.52/25,043.40 = 11,074.14/x
  3. Step 3: Cross multiply
    18,146.52x = 25,043.40 × 11,074.14
  4. Step 4: Simplify right side
    18,146.52x = 277,334,117.68
  5. Step 5: Solve for x
    x = 277,334,117.68/18,146.52
  6. Step 6: Final answer
    x = 15,283.05

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Half 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.