Home / 13,436.95-18,541.66-7,468.04

Finding the Fourth Proportional to 13,436.95, 18,541.66 and 7,468.04

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Solution

The fourth proportional to 13,436.95, 18,541.66 and 7,468.04 is: 10,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.95 : 18,541.66 = 7,468.04 : x
  2. Step 2: Convert to fraction form
    13,436.95/18,541.66 = 7,468.04/x
  3. Step 3: Cross multiply
    13,436.95x = 18,541.66 × 7,468.04
  4. Step 4: Simplify right side
    13,436.95x = 138,469,769.86
  5. Step 5: Solve for x
    x = 138,469,769.86/13,436.95
  6. Step 6: Final answer
    x = 10,305.15

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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.