Home / 16,850.48-25,278.72-5,758.40

Finding the Fourth Proportional to 16,850.48, 25,278.72 and 5,758.40

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Solution

The fourth proportional to 16,850.48, 25,278.72 and 5,758.40 is: 8,638.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,850.48 : 25,278.72 = 5,758.40 : x
  2. Step 2: Convert to fraction form
    16,850.48/25,278.72 = 5,758.40/x
  3. Step 3: Cross multiply
    16,850.48x = 25,278.72 × 5,758.40
  4. Step 4: Simplify right side
    16,850.48x = 145,564,981.25
  5. Step 5: Solve for x
    x = 145,564,981.25/16,850.48
  6. Step 6: Final answer
    x = 8,638.63

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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.