Home / 17,849.40-24,632.34-9,891.78

Finding the Fourth Proportional to 17,849.40, 24,632.34 and 9,891.78

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Solution

The fourth proportional to 17,849.40, 24,632.34 and 9,891.78 is: 13,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,849.40 : 24,632.34 = 9,891.78 : x
  2. Step 2: Convert to fraction form
    17,849.40/24,632.34 = 9,891.78/x
  3. Step 3: Cross multiply
    17,849.40x = 24,632.34 × 9,891.78
  4. Step 4: Simplify right side
    17,849.40x = 243,657,688.17
  5. Step 5: Solve for x
    x = 243,657,688.17/17,849.40
  6. Step 6: Final answer
    x = 13,650.75

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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.