Home / 25,987.96-38,994.90-9,351.71

Finding the Fourth Proportional to 25,987.96, 38,994.90 and 9,351.71

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Solution

The fourth proportional to 25,987.96, 38,994.90 and 9,351.71 is: 14,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,987.96 : 38,994.90 = 9,351.71 : x
  2. Step 2: Convert to fraction form
    25,987.96/38,994.90 = 9,351.71/x
  3. Step 3: Cross multiply
    25,987.96x = 38,994.90 × 9,351.71
  4. Step 4: Simplify right side
    25,987.96x = 364,668,996.28
  5. Step 5: Solve for x
    x = 364,668,996.28/25,987.96
  6. Step 6: Final answer
    x = 14,032.23

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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.