Home / 23,721.28-32,632.92-20,510.62

Finding the Fourth Proportional to 23,721.28, 32,632.92 and 20,510.62

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Solution

The fourth proportional to 23,721.28, 32,632.92 and 20,510.62 is: 28,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.28 : 32,632.92 = 20,510.62 : x
  2. Step 2: Convert to fraction form
    23,721.28/32,632.92 = 20,510.62/x
  3. Step 3: Cross multiply
    23,721.28x = 32,632.92 × 20,510.62
  4. Step 4: Simplify right side
    23,721.28x = 669,321,421.61
  5. Step 5: Solve for x
    x = 669,321,421.61/23,721.28
  6. Step 6: Final answer
    x = 28,216.08

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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.