Home / 25,358.74-38,038.96-8,718.62

Finding the Fourth Proportional to 25,358.74, 38,038.96 and 8,718.62

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Solution

The fourth proportional to 25,358.74, 38,038.96 and 8,718.62 is: 13,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.74 : 38,038.96 = 8,718.62 : x
  2. Step 2: Convert to fraction form
    25,358.74/38,038.96 = 8,718.62/x
  3. Step 3: Cross multiply
    25,358.74x = 38,038.96 × 8,718.62
  4. Step 4: Simplify right side
    25,358.74x = 331,647,237.44
  5. Step 5: Solve for x
    x = 331,647,237.44/25,358.74
  6. Step 6: Final answer
    x = 13,078.22

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1.5x scale

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.