Home / 17,891.28-24,688.80-9,934.56

Finding the Fourth Proportional to 17,891.28, 24,688.80 and 9,934.56

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Solution

The fourth proportional to 17,891.28, 24,688.80 and 9,934.56 is: 13,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.28 : 24,688.80 = 9,934.56 : x
  2. Step 2: Convert to fraction form
    17,891.28/24,688.80 = 9,934.56/x
  3. Step 3: Cross multiply
    17,891.28x = 24,688.80 × 9,934.56
  4. Step 4: Simplify right side
    17,891.28x = 245,272,364.93
  5. Step 5: Solve for x
    x = 245,272,364.93/17,891.28
  6. Step 6: Final answer
    x = 13,709.05

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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.