Home / 12,323.67-18,464.24-9,707.90

Finding the Fourth Proportional to 12,323.67, 18,464.24 and 9,707.90

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Solution

The fourth proportional to 12,323.67, 18,464.24 and 9,707.90 is: 14,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.67 : 18,464.24 = 9,707.90 : x
  2. Step 2: Convert to fraction form
    12,323.67/18,464.24 = 9,707.90/x
  3. Step 3: Cross multiply
    12,323.67x = 18,464.24 × 9,707.90
  4. Step 4: Simplify right side
    12,323.67x = 179,248,854.64
  5. Step 5: Solve for x
    x = 179,248,854.64/12,323.67
  6. Step 6: Final answer
    x = 14,545.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.