Home / 13,256.70-18,293.40-7,591.44

Finding the Fourth Proportional to 13,256.70, 18,293.40 and 7,591.44

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Solution

The fourth proportional to 13,256.70, 18,293.40 and 7,591.44 is: 10,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.70 : 18,293.40 = 7,591.44 : x
  2. Step 2: Convert to fraction form
    13,256.70/18,293.40 = 7,591.44/x
  3. Step 3: Cross multiply
    13,256.70x = 18,293.40 × 7,591.44
  4. Step 4: Simplify right side
    13,256.70x = 138,873,248.50
  5. Step 5: Solve for x
    x = 138,873,248.50/13,256.70
  6. Step 6: Final answer
    x = 10,475.70

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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.