Home / 17,643.72-24,348.51-9,685.77

Finding the Fourth Proportional to 17,643.72, 24,348.51 and 9,685.77

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Solution

The fourth proportional to 17,643.72, 24,348.51 and 9,685.77 is: 13,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.72 : 24,348.51 = 9,685.77 : x
  2. Step 2: Convert to fraction form
    17,643.72/24,348.51 = 9,685.77/x
  3. Step 3: Cross multiply
    17,643.72x = 24,348.51 × 9,685.77
  4. Step 4: Simplify right side
    17,643.72x = 235,834,067.70
  5. Step 5: Solve for x
    x = 235,834,067.70/17,643.72
  6. Step 6: Final answer
    x = 13,366.46

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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.