Home / 13,436.19-18,541.13-7,467.66

Finding the Fourth Proportional to 13,436.19, 18,541.13 and 7,467.66

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Solution

The fourth proportional to 13,436.19, 18,541.13 and 7,467.66 is: 10,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.19 : 18,541.13 = 7,467.66 : x
  2. Step 2: Convert to fraction form
    13,436.19/18,541.13 = 7,467.66/x
  3. Step 3: Cross multiply
    13,436.19x = 18,541.13 × 7,467.66
  4. Step 4: Simplify right side
    13,436.19x = 138,458,817.52
  5. Step 5: Solve for x
    x = 138,458,817.52/13,436.19
  6. Step 6: Final answer
    x = 10,304.92

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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.