Home / 27,248.19-40,880.10-11,445.09

Finding the Fourth Proportional to 27,248.19, 40,880.10 and 11,445.09

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Solution

The fourth proportional to 27,248.19, 40,880.10 and 11,445.09 is: 17,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,248.19 : 40,880.10 = 11,445.09 : x
  2. Step 2: Convert to fraction form
    27,248.19/40,880.10 = 11,445.09/x
  3. Step 3: Cross multiply
    27,248.19x = 40,880.10 × 11,445.09
  4. Step 4: Simplify right side
    27,248.19x = 467,876,598.47
  5. Step 5: Solve for x
    x = 467,876,598.47/27,248.19
  6. Step 6: Final answer
    x = 17,170.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.