Home / 15,729.78-23,573.92-8,332.26

Finding the Fourth Proportional to 15,729.78, 23,573.92 and 8,332.26

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Solution

The fourth proportional to 15,729.78, 23,573.92 and 8,332.26 is: 12,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.78 : 23,573.92 = 8,332.26 : x
  2. Step 2: Convert to fraction form
    15,729.78/23,573.92 = 8,332.26/x
  3. Step 3: Cross multiply
    15,729.78x = 23,573.92 × 8,332.26
  4. Step 4: Simplify right side
    15,729.78x = 196,424,030.66
  5. Step 5: Solve for x
    x = 196,424,030.66/15,729.78
  6. Step 6: Final answer
    x = 12,487.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.