Home / 13,482.37-18,605.80-7,432.82

Finding the Fourth Proportional to 13,482.37, 18,605.80 and 7,432.82

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Solution

The fourth proportional to 13,482.37, 18,605.80 and 7,432.82 is: 10,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.37 : 18,605.80 = 7,432.82 : x
  2. Step 2: Convert to fraction form
    13,482.37/18,605.80 = 7,432.82/x
  3. Step 3: Cross multiply
    13,482.37x = 18,605.80 × 7,432.82
  4. Step 4: Simplify right side
    13,482.37x = 138,293,562.36
  5. Step 5: Solve for x
    x = 138,293,562.36/13,482.37
  6. Step 6: Final answer
    x = 10,257.37

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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.