Home / 13,532.50-20,280.93-5,731.66

Finding the Fourth Proportional to 13,532.50, 20,280.93 and 5,731.66

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Solution

The fourth proportional to 13,532.50, 20,280.93 and 5,731.66 is: 8,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.50 : 20,280.93 = 5,731.66 : x
  2. Step 2: Convert to fraction form
    13,532.50/20,280.93 = 5,731.66/x
  3. Step 3: Cross multiply
    13,532.50x = 20,280.93 × 5,731.66
  4. Step 4: Simplify right side
    13,532.50x = 116,243,395.24
  5. Step 5: Solve for x
    x = 116,243,395.24/13,532.50
  6. Step 6: Final answer
    x = 8,589.94

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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.