Home / 15,988.82-22,064.35-9,275.59

Finding the Fourth Proportional to 15,988.82, 22,064.35 and 9,275.59

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Solution

The fourth proportional to 15,988.82, 22,064.35 and 9,275.59 is: 12,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.82 : 22,064.35 = 9,275.59 : x
  2. Step 2: Convert to fraction form
    15,988.82/22,064.35 = 9,275.59/x
  3. Step 3: Cross multiply
    15,988.82x = 22,064.35 × 9,275.59
  4. Step 4: Simplify right side
    15,988.82x = 204,659,823.94
  5. Step 5: Solve for x
    x = 204,659,823.94/15,988.82
  6. Step 6: Final answer
    x = 12,800.18

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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.