Home / 25,945.82-38,931.04-15,436.60

Finding the Fourth Proportional to 25,945.82, 38,931.04 and 15,436.60

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Solution

The fourth proportional to 25,945.82, 38,931.04 and 15,436.60 is: 23,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.82 : 38,931.04 = 15,436.60 : x
  2. Step 2: Convert to fraction form
    25,945.82/38,931.04 = 15,436.60/x
  3. Step 3: Cross multiply
    25,945.82x = 38,931.04 × 15,436.60
  4. Step 4: Simplify right side
    25,945.82x = 600,962,892.06
  5. Step 5: Solve for x
    x = 600,962,892.06/25,945.82
  6. Step 6: Final answer
    x = 23,162.22

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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.