Home / 15,540.52-23,312.81-5,684.44

Finding the Fourth Proportional to 15,540.52, 23,312.81 and 5,684.44

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Solution

The fourth proportional to 15,540.52, 23,312.81 and 5,684.44 is: 8,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.52 : 23,312.81 = 5,684.44 : x
  2. Step 2: Convert to fraction form
    15,540.52/23,312.81 = 5,684.44/x
  3. Step 3: Cross multiply
    15,540.52x = 23,312.81 × 5,684.44
  4. Step 4: Simplify right side
    15,540.52x = 132,520,124.69
  5. Step 5: Solve for x
    x = 132,520,124.69/15,540.52
  6. Step 6: Final answer
    x = 8,527.40

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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.