Home / 15,393.42-23,127.12-9,857.52

Finding the Fourth Proportional to 15,393.42, 23,127.12 and 9,857.52

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Solution

The fourth proportional to 15,393.42, 23,127.12 and 9,857.52 is: 14,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,393.42 : 23,127.12 = 9,857.52 : x
  2. Step 2: Convert to fraction form
    15,393.42/23,127.12 = 9,857.52/x
  3. Step 3: Cross multiply
    15,393.42x = 23,127.12 × 9,857.52
  4. Step 4: Simplify right side
    15,393.42x = 227,976,047.94
  5. Step 5: Solve for x
    x = 227,976,047.94/15,393.42
  6. Step 6: Final answer
    x = 14,809.97

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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.