Home / 15,999.06-23,934.48-13,831.14

Finding the Fourth Proportional to 15,999.06, 23,934.48 and 13,831.14

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Solution

The fourth proportional to 15,999.06, 23,934.48 and 13,831.14 is: 20,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.06 : 23,934.48 = 13,831.14 : x
  2. Step 2: Convert to fraction form
    15,999.06/23,934.48 = 13,831.14/x
  3. Step 3: Cross multiply
    15,999.06x = 23,934.48 × 13,831.14
  4. Step 4: Simplify right side
    15,999.06x = 331,041,143.71
  5. Step 5: Solve for x
    x = 331,041,143.71/15,999.06
  6. Step 6: Final answer
    x = 20,691.29

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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.