Home / 13,541.48-18,687.68-7,573.13

Finding the Fourth Proportional to 13,541.48, 18,687.68 and 7,573.13

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Solution

The fourth proportional to 13,541.48, 18,687.68 and 7,573.13 is: 10,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.48 : 18,687.68 = 7,573.13 : x
  2. Step 2: Convert to fraction form
    13,541.48/18,687.68 = 7,573.13/x
  3. Step 3: Cross multiply
    13,541.48x = 18,687.68 × 7,573.13
  4. Step 4: Simplify right side
    13,541.48x = 141,524,230.04
  5. Step 5: Solve for x
    x = 141,524,230.04/13,541.48
  6. Step 6: Final answer
    x = 10,451.16

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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.