Home / 31,626.61-43,644.64-18,014.65

Finding the Fourth Proportional to 31,626.61, 43,644.64 and 18,014.65

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Solution

The fourth proportional to 31,626.61, 43,644.64 and 18,014.65 is: 24,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.61 : 43,644.64 = 18,014.65 : x
  2. Step 2: Convert to fraction form
    31,626.61/43,644.64 = 18,014.65/x
  3. Step 3: Cross multiply
    31,626.61x = 43,644.64 × 18,014.65
  4. Step 4: Simplify right side
    31,626.61x = 786,242,844.27
  5. Step 5: Solve for x
    x = 786,242,844.27/31,626.61
  6. Step 6: Final answer
    x = 24,860.17

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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.