Home / 15,781.23-23,695.20-10,548.90

Finding the Fourth Proportional to 15,781.23, 23,695.20 and 10,548.90

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Solution

The fourth proportional to 15,781.23, 23,695.20 and 10,548.90 is: 15,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.23 : 23,695.20 = 10,548.90 : x
  2. Step 2: Convert to fraction form
    15,781.23/23,695.20 = 10,548.90/x
  3. Step 3: Cross multiply
    15,781.23x = 23,695.20 × 10,548.90
  4. Step 4: Simplify right side
    15,781.23x = 249,958,295.28
  5. Step 5: Solve for x
    x = 249,958,295.28/15,781.23
  6. Step 6: Final answer
    x = 15,838.96

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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.