Home / 15,992.14-22,069.18-9,281.74

Finding the Fourth Proportional to 15,992.14, 22,069.18 and 9,281.74

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Solution

The fourth proportional to 15,992.14, 22,069.18 and 9,281.74 is: 12,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.14 : 22,069.18 = 9,281.74 : x
  2. Step 2: Convert to fraction form
    15,992.14/22,069.18 = 9,281.74/x
  3. Step 3: Cross multiply
    15,992.14x = 22,069.18 × 9,281.74
  4. Step 4: Simplify right side
    15,992.14x = 204,840,390.77
  5. Step 5: Solve for x
    x = 204,840,390.77/15,992.14
  6. Step 6: Final answer
    x = 12,808.82

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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.