Home / 25,609.96-38,325.66-17,720.68

Finding the Fourth Proportional to 25,609.96, 38,325.66 and 17,720.68

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Solution

The fourth proportional to 25,609.96, 38,325.66 and 17,720.68 is: 26,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.96 : 38,325.66 = 17,720.68 : x
  2. Step 2: Convert to fraction form
    25,609.96/38,325.66 = 17,720.68/x
  3. Step 3: Cross multiply
    25,609.96x = 38,325.66 × 17,720.68
  4. Step 4: Simplify right side
    25,609.96x = 679,156,756.65
  5. Step 5: Solve for x
    x = 679,156,756.65/25,609.96
  6. Step 6: Final answer
    x = 26,519.24

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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.