Home / 13,450.61-18,562.76-7,482.83

Finding the Fourth Proportional to 13,450.61, 18,562.76 and 7,482.83

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Solution

The fourth proportional to 13,450.61, 18,562.76 and 7,482.83 is: 10,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.61 : 18,562.76 = 7,482.83 : x
  2. Step 2: Convert to fraction form
    13,450.61/18,562.76 = 7,482.83/x
  3. Step 3: Cross multiply
    13,450.61x = 18,562.76 × 7,482.83
  4. Step 4: Simplify right side
    13,450.61x = 138,901,977.41
  5. Step 5: Solve for x
    x = 138,901,977.41/13,450.61
  6. Step 6: Final answer
    x = 10,326.82

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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.