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Finding the Fourth Proportional to 15,959.81, 23,960.93 and 13,634.76

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Solution

The fourth proportional to 15,959.81, 23,960.93 and 13,634.76 is: 20,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.81 : 23,960.93 = 13,634.76 : x
  2. Step 2: Convert to fraction form
    15,959.81/23,960.93 = 13,634.76/x
  3. Step 3: Cross multiply
    15,959.81x = 23,960.93 × 13,634.76
  4. Step 4: Simplify right side
    15,959.81x = 326,701,461.75
  5. Step 5: Solve for x
    x = 326,701,461.75/15,959.81
  6. Step 6: Final answer
    x = 20,470.27

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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.