Home / 15,920.46-23,880.87-5,532.30

Finding the Fourth Proportional to 15,920.46, 23,880.87 and 5,532.30

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Solution

The fourth proportional to 15,920.46, 23,880.87 and 5,532.30 is: 8,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.46 : 23,880.87 = 5,532.30 : x
  2. Step 2: Convert to fraction form
    15,920.46/23,880.87 = 5,532.30/x
  3. Step 3: Cross multiply
    15,920.46x = 23,880.87 × 5,532.30
  4. Step 4: Simplify right side
    15,920.46x = 132,116,137.10
  5. Step 5: Solve for x
    x = 132,116,137.10/15,920.46
  6. Step 6: Final answer
    x = 8,298.51

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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.