Home / 23,510.76-32,436-15,013.20

Finding the Fourth Proportional to 23,510.76, 32,436 and 15,013.20

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Solution

The fourth proportional to 23,510.76, 32,436 and 15,013.20 is: 20,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,510.76 : 32,436 = 15,013.20 : x
  2. Step 2: Convert to fraction form
    23,510.76/32,436 = 15,013.20/x
  3. Step 3: Cross multiply
    23,510.76x = 32,436 × 15,013.20
  4. Step 4: Simplify right side
    23,510.76x = 486,968,155.20
  5. Step 5: Solve for x
    x = 486,968,155.20/23,510.76
  6. Step 6: Final answer
    x = 20,712.57

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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.