Home / 13,542.04-18,687.67-7,492.13

Finding the Fourth Proportional to 13,542.04, 18,687.67 and 7,492.13

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Solution

The fourth proportional to 13,542.04, 18,687.67 and 7,492.13 is: 10,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.04 : 18,687.67 = 7,492.13 : x
  2. Step 2: Convert to fraction form
    13,542.04/18,687.67 = 7,492.13/x
  3. Step 3: Cross multiply
    13,542.04x = 18,687.67 × 7,492.13
  4. Step 4: Simplify right side
    13,542.04x = 140,010,453.04
  5. Step 5: Solve for x
    x = 140,010,453.04/13,542.04
  6. Step 6: Final answer
    x = 10,338.95

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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.