Home / 15,522.72-21,446.48-10,827.96

Finding the Fourth Proportional to 15,522.72, 21,446.48 and 10,827.96

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Solution

The fourth proportional to 15,522.72, 21,446.48 and 10,827.96 is: 14,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.72 : 21,446.48 = 10,827.96 : x
  2. Step 2: Convert to fraction form
    15,522.72/21,446.48 = 10,827.96/x
  3. Step 3: Cross multiply
    15,522.72x = 21,446.48 × 10,827.96
  4. Step 4: Simplify right side
    15,522.72x = 232,221,627.58
  5. Step 5: Solve for x
    x = 232,221,627.58/15,522.72
  6. Step 6: Final answer
    x = 14,960.11

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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.