Home / 16,756.64-25,135.55-8,432.12

Finding the Fourth Proportional to 16,756.64, 25,135.55 and 8,432.12

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Solution

The fourth proportional to 16,756.64, 25,135.55 and 8,432.12 is: 12,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.64 : 25,135.55 = 8,432.12 : x
  2. Step 2: Convert to fraction form
    16,756.64/25,135.55 = 8,432.12/x
  3. Step 3: Cross multiply
    16,756.64x = 25,135.55 × 8,432.12
  4. Step 4: Simplify right side
    16,756.64x = 211,945,806.03
  5. Step 5: Solve for x
    x = 211,945,806.03/16,756.64
  6. Step 6: Final answer
    x = 12,648.47

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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.