Home / 15,476.64-23,211.99-4,380.65

Finding the Fourth Proportional to 15,476.64, 23,211.99 and 4,380.65

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Solution

The fourth proportional to 15,476.64, 23,211.99 and 4,380.65 is: 6,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.64 : 23,211.99 = 4,380.65 : x
  2. Step 2: Convert to fraction form
    15,476.64/23,211.99 = 4,380.65/x
  3. Step 3: Cross multiply
    15,476.64x = 23,211.99 × 4,380.65
  4. Step 4: Simplify right side
    15,476.64x = 101,683,487.93
  5. Step 5: Solve for x
    x = 101,683,487.93/15,476.64
  6. Step 6: Final answer
    x = 6,570.13

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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.