Home / 13,498.95-20,248.42-7,250.36

Finding the Fourth Proportional to 13,498.95, 20,248.42 and 7,250.36

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Solution

The fourth proportional to 13,498.95, 20,248.42 and 7,250.36 is: 10,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.95 : 20,248.42 = 7,250.36 : x
  2. Step 2: Convert to fraction form
    13,498.95/20,248.42 = 7,250.36/x
  3. Step 3: Cross multiply
    13,498.95x = 20,248.42 × 7,250.36
  4. Step 4: Simplify right side
    13,498.95x = 146,808,334.43
  5. Step 5: Solve for x
    x = 146,808,334.43/13,498.95
  6. Step 6: Final answer
    x = 10,875.54

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.