Home / 15,981.59-22,054.29-9,267.84

Finding the Fourth Proportional to 15,981.59, 22,054.29 and 9,267.84

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Solution

The fourth proportional to 15,981.59, 22,054.29 and 9,267.84 is: 12,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.59 : 22,054.29 = 9,267.84 : x
  2. Step 2: Convert to fraction form
    15,981.59/22,054.29 = 9,267.84/x
  3. Step 3: Cross multiply
    15,981.59x = 22,054.29 × 9,267.84
  4. Step 4: Simplify right side
    15,981.59x = 204,395,631.03
  5. Step 5: Solve for x
    x = 204,395,631.03/15,981.59
  6. Step 6: Final answer
    x = 12,789.44

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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.