Home / 13,437.13-18,541.83-7,467.85

Finding the Fourth Proportional to 13,437.13, 18,541.83 and 7,467.85

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Solution

The fourth proportional to 13,437.13, 18,541.83 and 7,467.85 is: 10,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.13 : 18,541.83 = 7,467.85 : x
  2. Step 2: Convert to fraction form
    13,437.13/18,541.83 = 7,467.85/x
  3. Step 3: Cross multiply
    13,437.13x = 18,541.83 × 7,467.85
  4. Step 4: Simplify right side
    13,437.13x = 138,467,605.17
  5. Step 5: Solve for x
    x = 138,467,605.17/13,437.13
  6. Step 6: Final answer
    x = 10,304.85

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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.