Home / 25,768.96-38,643.54-9,125.92

Finding the Fourth Proportional to 25,768.96, 38,643.54 and 9,125.92

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Solution

The fourth proportional to 25,768.96, 38,643.54 and 9,125.92 is: 13,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.96 : 38,643.54 = 9,125.92 : x
  2. Step 2: Convert to fraction form
    25,768.96/38,643.54 = 9,125.92/x
  3. Step 3: Cross multiply
    25,768.96x = 38,643.54 × 9,125.92
  4. Step 4: Simplify right side
    25,768.96x = 352,657,854.56
  5. Step 5: Solve for x
    x = 352,657,854.56/25,768.96
  6. Step 6: Final answer
    x = 13,685.37

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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.