Home / 25,340.12-38,006.56-8,699.84

Finding the Fourth Proportional to 25,340.12, 38,006.56 and 8,699.84

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Solution

The fourth proportional to 25,340.12, 38,006.56 and 8,699.84 is: 13,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.12 : 38,006.56 = 8,699.84 : x
  2. Step 2: Convert to fraction form
    25,340.12/38,006.56 = 8,699.84/x
  3. Step 3: Cross multiply
    25,340.12x = 38,006.56 × 8,699.84
  4. Step 4: Simplify right side
    25,340.12x = 330,650,990.95
  5. Step 5: Solve for x
    x = 330,650,990.95/25,340.12
  6. Step 6: Final answer
    x = 13,048.52

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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.