Home / 15,831.76-23,753.40-7,514.32

Finding the Fourth Proportional to 15,831.76, 23,753.40 and 7,514.32

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Solution

The fourth proportional to 15,831.76, 23,753.40 and 7,514.32 is: 11,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.76 : 23,753.40 = 7,514.32 : x
  2. Step 2: Convert to fraction form
    15,831.76/23,753.40 = 7,514.32/x
  3. Step 3: Cross multiply
    15,831.76x = 23,753.40 × 7,514.32
  4. Step 4: Simplify right side
    15,831.76x = 178,490,648.69
  5. Step 5: Solve for x
    x = 178,490,648.69/15,831.76
  6. Step 6: Final answer
    x = 11,274.21

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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.