Home / 25,325.79-34,951.69-13,997.49

Finding the Fourth Proportional to 25,325.79, 34,951.69 and 13,997.49

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Solution

The fourth proportional to 25,325.79, 34,951.69 and 13,997.49 is: 19,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.79 : 34,951.69 = 13,997.49 : x
  2. Step 2: Convert to fraction form
    25,325.79/34,951.69 = 13,997.49/x
  3. Step 3: Cross multiply
    25,325.79x = 34,951.69 × 13,997.49
  4. Step 4: Simplify right side
    25,325.79x = 489,235,935.55
  5. Step 5: Solve for x
    x = 489,235,935.55/25,325.79
  6. Step 6: Final answer
    x = 19,317.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.