Home / 27,181.08-40,763.10-13,132.38

Finding the Fourth Proportional to 27,181.08, 40,763.10 and 13,132.38

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Solution

The fourth proportional to 27,181.08, 40,763.10 and 13,132.38 is: 19,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.08 : 40,763.10 = 13,132.38 : x
  2. Step 2: Convert to fraction form
    27,181.08/40,763.10 = 13,132.38/x
  3. Step 3: Cross multiply
    27,181.08x = 40,763.10 × 13,132.38
  4. Step 4: Simplify right side
    27,181.08x = 535,316,519.18
  5. Step 5: Solve for x
    x = 535,316,519.18/27,181.08
  6. Step 6: Final answer
    x = 19,694.45

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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.