Home / 23,831.43-32,886.45-13,220.88

Finding the Fourth Proportional to 23,831.43, 32,886.45 and 13,220.88

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Solution

The fourth proportional to 23,831.43, 32,886.45 and 13,220.88 is: 18,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,831.43 : 32,886.45 = 13,220.88 : x
  2. Step 2: Convert to fraction form
    23,831.43/32,886.45 = 13,220.88/x
  3. Step 3: Cross multiply
    23,831.43x = 32,886.45 × 13,220.88
  4. Step 4: Simplify right side
    23,831.43x = 434,787,809.08
  5. Step 5: Solve for x
    x = 434,787,809.08/23,831.43
  6. Step 6: Final answer
    x = 18,244.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.