Home / 23,060.68-31,758.30-20,772.53

Finding the Fourth Proportional to 23,060.68, 31,758.30 and 20,772.53

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Solution

The fourth proportional to 23,060.68, 31,758.30 and 20,772.53 is: 28,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,060.68 : 31,758.30 = 20,772.53 : x
  2. Step 2: Convert to fraction form
    23,060.68/31,758.30 = 20,772.53/x
  3. Step 3: Cross multiply
    23,060.68x = 31,758.30 × 20,772.53
  4. Step 4: Simplify right side
    23,060.68x = 659,700,239.50
  5. Step 5: Solve for x
    x = 659,700,239.50/23,060.68
  6. Step 6: Final answer
    x = 28,607.15

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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.