Home / 25,551.98-38,331.56-8,909.58

Finding the Fourth Proportional to 25,551.98, 38,331.56 and 8,909.58

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Solution

The fourth proportional to 25,551.98, 38,331.56 and 8,909.58 is: 13,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.98 : 38,331.56 = 8,909.58 : x
  2. Step 2: Convert to fraction form
    25,551.98/38,331.56 = 8,909.58/x
  3. Step 3: Cross multiply
    25,551.98x = 38,331.56 × 8,909.58
  4. Step 4: Simplify right side
    25,551.98x = 341,518,055.80
  5. Step 5: Solve for x
    x = 341,518,055.80/25,551.98
  6. Step 6: Final answer
    x = 13,365.62

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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.