Home / 25,645.72-38,486.65-9,007.05

Finding the Fourth Proportional to 25,645.72, 38,486.65 and 9,007.05

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Solution

The fourth proportional to 25,645.72, 38,486.65 and 9,007.05 is: 13,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.72 : 38,486.65 = 9,007.05 : x
  2. Step 2: Convert to fraction form
    25,645.72/38,486.65 = 9,007.05/x
  3. Step 3: Cross multiply
    25,645.72x = 38,486.65 × 9,007.05
  4. Step 4: Simplify right side
    25,645.72x = 346,651,180.88
  5. Step 5: Solve for x
    x = 346,651,180.88/25,645.72
  6. Step 6: Final answer
    x = 13,516.92

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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.