Home / 25,408.40-38,116.66-10,609.70

Finding the Fourth Proportional to 25,408.40, 38,116.66 and 10,609.70

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Solution

The fourth proportional to 25,408.40, 38,116.66 and 10,609.70 is: 15,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.40 : 38,116.66 = 10,609.70 : x
  2. Step 2: Convert to fraction form
    25,408.40/38,116.66 = 10,609.70/x
  3. Step 3: Cross multiply
    25,408.40x = 38,116.66 × 10,609.70
  4. Step 4: Simplify right side
    25,408.40x = 404,406,327.60
  5. Step 5: Solve for x
    x = 404,406,327.60/25,408.40
  6. Step 6: Final answer
    x = 15,916.25

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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.