Home / 15,831.78-23,730.90-5,966.82

Finding the Fourth Proportional to 15,831.78, 23,730.90 and 5,966.82

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Solution

The fourth proportional to 15,831.78, 23,730.90 and 5,966.82 is: 8,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.78 : 23,730.90 = 5,966.82 : x
  2. Step 2: Convert to fraction form
    15,831.78/23,730.90 = 5,966.82/x
  3. Step 3: Cross multiply
    15,831.78x = 23,730.90 × 5,966.82
  4. Step 4: Simplify right side
    15,831.78x = 141,598,008.74
  5. Step 5: Solve for x
    x = 141,598,008.74/15,831.78
  6. Step 6: Final answer
    x = 8,943.91

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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.