Home / 25,228.86-34,815.38-14,619.48

Finding the Fourth Proportional to 25,228.86, 34,815.38 and 14,619.48

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Solution

The fourth proportional to 25,228.86, 34,815.38 and 14,619.48 is: 20,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.86 : 34,815.38 = 14,619.48 : x
  2. Step 2: Convert to fraction form
    25,228.86/34,815.38 = 14,619.48/x
  3. Step 3: Cross multiply
    25,228.86x = 34,815.38 × 14,619.48
  4. Step 4: Simplify right side
    25,228.86x = 508,982,751.60
  5. Step 5: Solve for x
    x = 508,982,751.60/25,228.86
  6. Step 6: Final answer
    x = 20,174.62

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1.5x scale

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.