Home / 25,878.23-38,825.55-9,237.90

Finding the Fourth Proportional to 25,878.23, 38,825.55 and 9,237.90

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Solution

The fourth proportional to 25,878.23, 38,825.55 and 9,237.90 is: 13,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878.23 : 38,825.55 = 9,237.90 : x
  2. Step 2: Convert to fraction form
    25,878.23/38,825.55 = 9,237.90/x
  3. Step 3: Cross multiply
    25,878.23x = 38,825.55 × 9,237.90
  4. Step 4: Simplify right side
    25,878.23x = 358,666,548.35
  5. Step 5: Solve for x
    x = 358,666,548.35/25,878.23
  6. Step 6: Final answer
    x = 13,859.78

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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.