Home / 15,549.78-23,313.73-7,753.13

Finding the Fourth Proportional to 15,549.78, 23,313.73 and 7,753.13

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Solution

The fourth proportional to 15,549.78, 23,313.73 and 7,753.13 is: 11,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.78 : 23,313.73 = 7,753.13 : x
  2. Step 2: Convert to fraction form
    15,549.78/23,313.73 = 7,753.13/x
  3. Step 3: Cross multiply
    15,549.78x = 23,313.73 × 7,753.13
  4. Step 4: Simplify right side
    15,549.78x = 180,754,379.47
  5. Step 5: Solve for x
    x = 180,754,379.47/15,549.78
  6. Step 6: Final answer
    x = 11,624.24

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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.