Home / 25,325.61-34,949.20-13,995.89

Finding the Fourth Proportional to 25,325.61, 34,949.20 and 13,995.89

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Solution

The fourth proportional to 25,325.61, 34,949.20 and 13,995.89 is: 19,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.61 : 34,949.20 = 13,995.89 : x
  2. Step 2: Convert to fraction form
    25,325.61/34,949.20 = 13,995.89/x
  3. Step 3: Cross multiply
    25,325.61x = 34,949.20 × 13,995.89
  4. Step 4: Simplify right side
    25,325.61x = 489,145,158.79
  5. Step 5: Solve for x
    x = 489,145,158.79/25,325.61
  6. Step 6: Final answer
    x = 19,314.25

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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.