Home / 25,036.45-34,550.33-15,605

Finding the Fourth Proportional to 25,036.45, 34,550.33 and 15,605

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Solution

The fourth proportional to 25,036.45, 34,550.33 and 15,605 is: 21,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,036.45 : 34,550.33 = 15,605 : x
  2. Step 2: Convert to fraction form
    25,036.45/34,550.33 = 15,605/x
  3. Step 3: Cross multiply
    25,036.45x = 34,550.33 × 15,605
  4. Step 4: Simplify right side
    25,036.45x = 539,157,899.65
  5. Step 5: Solve for x
    x = 539,157,899.65/25,036.45
  6. Step 6: Final answer
    x = 21,534.92

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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.