Home / 19,541.92-26,969.28-11,158.24

Finding the Fourth Proportional to 19,541.92, 26,969.28 and 11,158.24

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Solution

The fourth proportional to 19,541.92, 26,969.28 and 11,158.24 is: 15,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.92 : 26,969.28 = 11,158.24 : x
  2. Step 2: Convert to fraction form
    19,541.92/26,969.28 = 11,158.24/x
  3. Step 3: Cross multiply
    19,541.92x = 26,969.28 × 11,158.24
  4. Step 4: Simplify right side
    19,541.92x = 300,929,698.87
  5. Step 5: Solve for x
    x = 300,929,698.87/19,541.92
  6. Step 6: Final answer
    x = 15,399.19

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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.