Home / 15,994.26-22,072.10-9,281.25

Finding the Fourth Proportional to 15,994.26, 22,072.10 and 9,281.25

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Solution

The fourth proportional to 15,994.26, 22,072.10 and 9,281.25 is: 12,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.26 : 22,072.10 = 9,281.25 : x
  2. Step 2: Convert to fraction form
    15,994.26/22,072.10 = 9,281.25/x
  3. Step 3: Cross multiply
    15,994.26x = 22,072.10 × 9,281.25
  4. Step 4: Simplify right side
    15,994.26x = 204,856,631.72
  5. Step 5: Solve for x
    x = 204,856,631.72/15,994.26
  6. Step 6: Final answer
    x = 12,808.13

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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.