Home / 25,645.46-38,485.37-9,005.55

Finding the Fourth Proportional to 25,645.46, 38,485.37 and 9,005.55

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Solution

The fourth proportional to 25,645.46, 38,485.37 and 9,005.55 is: 13,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.46 : 38,485.37 = 9,005.55 : x
  2. Step 2: Convert to fraction form
    25,645.46/38,485.37 = 9,005.55/x
  3. Step 3: Cross multiply
    25,645.46x = 38,485.37 × 9,005.55
  4. Step 4: Simplify right side
    25,645.46x = 346,581,878.78
  5. Step 5: Solve for x
    x = 346,581,878.78/25,645.46
  6. Step 6: Final answer
    x = 13,514.36

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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.