Home / 13,451.04-18,560.30-7,482.69

Finding the Fourth Proportional to 13,451.04, 18,560.30 and 7,482.69

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Solution

The fourth proportional to 13,451.04, 18,560.30 and 7,482.69 is: 10,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.04 : 18,560.30 = 7,482.69 : x
  2. Step 2: Convert to fraction form
    13,451.04/18,560.30 = 7,482.69/x
  3. Step 3: Cross multiply
    13,451.04x = 18,560.30 × 7,482.69
  4. Step 4: Simplify right side
    13,451.04x = 138,880,933.79
  5. Step 5: Solve for x
    x = 138,880,933.79/13,451.04
  6. Step 6: Final answer
    x = 10,324.92

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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.