Home / 16,720.87-25,085.16-5,627.27

Finding the Fourth Proportional to 16,720.87, 25,085.16 and 5,627.27

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Solution

The fourth proportional to 16,720.87, 25,085.16 and 5,627.27 is: 8,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.87 : 25,085.16 = 5,627.27 : x
  2. Step 2: Convert to fraction form
    16,720.87/25,085.16 = 5,627.27/x
  3. Step 3: Cross multiply
    16,720.87x = 25,085.16 × 5,627.27
  4. Step 4: Simplify right side
    16,720.87x = 141,160,814.75
  5. Step 5: Solve for x
    x = 141,160,814.75/16,720.87
  6. Step 6: Final answer
    x = 8,442.19

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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.