Home / 25,047.20-34,566.20-13,869.20

Finding the Fourth Proportional to 25,047.20, 34,566.20 and 13,869.20

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Solution

The fourth proportional to 25,047.20, 34,566.20 and 13,869.20 is: 19,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,047.20 : 34,566.20 = 13,869.20 : x
  2. Step 2: Convert to fraction form
    25,047.20/34,566.20 = 13,869.20/x
  3. Step 3: Cross multiply
    25,047.20x = 34,566.20 × 13,869.20
  4. Step 4: Simplify right side
    25,047.20x = 479,405,298.86
  5. Step 5: Solve for x
    x = 479,405,298.86/25,047.20
  6. Step 6: Final answer
    x = 19,140.08

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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.