Home / 23,801.60-32,831.36-15,314.79

Finding the Fourth Proportional to 23,801.60, 32,831.36 and 15,314.79

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Solution

The fourth proportional to 23,801.60, 32,831.36 and 15,314.79 is: 21,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,801.60 : 32,831.36 = 15,314.79 : x
  2. Step 2: Convert to fraction form
    23,801.60/32,831.36 = 15,314.79/x
  3. Step 3: Cross multiply
    23,801.60x = 32,831.36 × 15,314.79
  4. Step 4: Simplify right side
    23,801.60x = 502,805,303.11
  5. Step 5: Solve for x
    x = 502,805,303.11/23,801.60
  6. Step 6: Final answer
    x = 21,124.86

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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.