Home / 19,944.31-27,522.02-10,991.78

Finding the Fourth Proportional to 19,944.31, 27,522.02 and 10,991.78

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Solution

The fourth proportional to 19,944.31, 27,522.02 and 10,991.78 is: 15,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.31 : 27,522.02 = 10,991.78 : x
  2. Step 2: Convert to fraction form
    19,944.31/27,522.02 = 10,991.78/x
  3. Step 3: Cross multiply
    19,944.31x = 27,522.02 × 10,991.78
  4. Step 4: Simplify right side
    19,944.31x = 302,516,085.28
  5. Step 5: Solve for x
    x = 302,516,085.28/19,944.31
  6. Step 6: Final answer
    x = 15,168.04

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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.