Home / 13,036.28-19,581.48-10,540.28

Finding the Fourth Proportional to 13,036.28, 19,581.48 and 10,540.28

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Solution

The fourth proportional to 13,036.28, 19,581.48 and 10,540.28 is: 15,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.28 : 19,581.48 = 10,540.28 : x
  2. Step 2: Convert to fraction form
    13,036.28/19,581.48 = 10,540.28/x
  3. Step 3: Cross multiply
    13,036.28x = 19,581.48 × 10,540.28
  4. Step 4: Simplify right side
    13,036.28x = 206,394,184.11
  5. Step 5: Solve for x
    x = 206,394,184.11/13,036.28
  6. Step 6: Final answer
    x = 15,832.30

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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.