Home / 25,014.95-34,520.67-13,684.49

Finding the Fourth Proportional to 25,014.95, 34,520.67 and 13,684.49

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Solution

The fourth proportional to 25,014.95, 34,520.67 and 13,684.49 is: 18,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,014.95 : 34,520.67 = 13,684.49 : x
  2. Step 2: Convert to fraction form
    25,014.95/34,520.67 = 13,684.49/x
  3. Step 3: Cross multiply
    25,014.95x = 34,520.67 × 13,684.49
  4. Step 4: Simplify right side
    25,014.95x = 472,397,763.41
  5. Step 5: Solve for x
    x = 472,397,763.41/25,014.95
  6. Step 6: Final answer
    x = 18,884.62

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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.