Home / 17,069.78-25,607.10-5,381.76

Finding the Fourth Proportional to 17,069.78, 25,607.10 and 5,381.76

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Solution

The fourth proportional to 17,069.78, 25,607.10 and 5,381.76 is: 8,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,069.78 : 25,607.10 = 5,381.76 : x
  2. Step 2: Convert to fraction form
    17,069.78/25,607.10 = 5,381.76/x
  3. Step 3: Cross multiply
    17,069.78x = 25,607.10 × 5,381.76
  4. Step 4: Simplify right side
    17,069.78x = 137,811,266.50
  5. Step 5: Solve for x
    x = 137,811,266.50/17,069.78
  6. Step 6: Final answer
    x = 8,073.41

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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.