Home / 15,412.08-23,122.04-4,318.82

Finding the Fourth Proportional to 15,412.08, 23,122.04 and 4,318.82

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Solution

The fourth proportional to 15,412.08, 23,122.04 and 4,318.82 is: 6,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.08 : 23,122.04 = 4,318.82 : x
  2. Step 2: Convert to fraction form
    15,412.08/23,122.04 = 4,318.82/x
  3. Step 3: Cross multiply
    15,412.08x = 23,122.04 × 4,318.82
  4. Step 4: Simplify right side
    15,412.08x = 99,859,928.79
  5. Step 5: Solve for x
    x = 99,859,928.79/15,412.08
  6. Step 6: Final answer
    x = 6,479.33

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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.