Home / 13,451.44-18,562.08-7,482.70

Finding the Fourth Proportional to 13,451.44, 18,562.08 and 7,482.70

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Solution

The fourth proportional to 13,451.44, 18,562.08 and 7,482.70 is: 10,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.44 : 18,562.08 = 7,482.70 : x
  2. Step 2: Convert to fraction form
    13,451.44/18,562.08 = 7,482.70/x
  3. Step 3: Cross multiply
    13,451.44x = 18,562.08 × 7,482.70
  4. Step 4: Simplify right side
    13,451.44x = 138,894,476.02
  5. Step 5: Solve for x
    x = 138,894,476.02/13,451.44
  6. Step 6: Final answer
    x = 10,325.62

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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.