Home / 25,589.28-38,313.04-13,082.40

Finding the Fourth Proportional to 25,589.28, 38,313.04 and 13,082.40

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Solution

The fourth proportional to 25,589.28, 38,313.04 and 13,082.40 is: 19,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.28 : 38,313.04 = 13,082.40 : x
  2. Step 2: Convert to fraction form
    25,589.28/38,313.04 = 13,082.40/x
  3. Step 3: Cross multiply
    25,589.28x = 38,313.04 × 13,082.40
  4. Step 4: Simplify right side
    25,589.28x = 501,226,514.50
  5. Step 5: Solve for x
    x = 501,226,514.50/25,589.28
  6. Step 6: Final answer
    x = 19,587.36

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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.