Home / 21,831.83-32,754.58-9,188.24

Finding the Fourth Proportional to 21,831.83, 32,754.58 and 9,188.24

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Solution

The fourth proportional to 21,831.83, 32,754.58 and 9,188.24 is: 13,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.83 : 32,754.58 = 9,188.24 : x
  2. Step 2: Convert to fraction form
    21,831.83/32,754.58 = 9,188.24/x
  3. Step 3: Cross multiply
    21,831.83x = 32,754.58 × 9,188.24
  4. Step 4: Simplify right side
    21,831.83x = 300,956,755.40
  5. Step 5: Solve for x
    x = 300,956,755.40/21,831.83
  6. Step 6: Final answer
    x = 13,785.23

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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.