Home / 25,575.63-38,338.65-13,101.54

Finding the Fourth Proportional to 25,575.63, 38,338.65 and 13,101.54

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Solution

The fourth proportional to 25,575.63, 38,338.65 and 13,101.54 is: 19,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.63 : 38,338.65 = 13,101.54 : x
  2. Step 2: Convert to fraction form
    25,575.63/38,338.65 = 13,101.54/x
  3. Step 3: Cross multiply
    25,575.63x = 38,338.65 × 13,101.54
  4. Step 4: Simplify right side
    25,575.63x = 502,295,356.52
  5. Step 5: Solve for x
    x = 502,295,356.52/25,575.63
  6. Step 6: Final answer
    x = 19,639.61

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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.