Home / 23,121.72-34,808.57-15,772.47

Finding the Fourth Proportional to 23,121.72, 34,808.57 and 15,772.47

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Solution

The fourth proportional to 23,121.72, 34,808.57 and 15,772.47 is: 23,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.72 : 34,808.57 = 15,772.47 : x
  2. Step 2: Convert to fraction form
    23,121.72/34,808.57 = 15,772.47/x
  3. Step 3: Cross multiply
    23,121.72x = 34,808.57 × 15,772.47
  4. Step 4: Simplify right side
    23,121.72x = 549,017,047.21
  5. Step 5: Solve for x
    x = 549,017,047.21/23,121.72
  6. Step 6: Final answer
    x = 23,744.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.