Home / 20,266.47-30,337.41-17,277.12

Finding the Fourth Proportional to 20,266.47, 30,337.41 and 17,277.12

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Solution

The fourth proportional to 20,266.47, 30,337.41 and 17,277.12 is: 25,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.47 : 30,337.41 = 17,277.12 : x
  2. Step 2: Convert to fraction form
    20,266.47/30,337.41 = 17,277.12/x
  3. Step 3: Cross multiply
    20,266.47x = 30,337.41 × 17,277.12
  4. Step 4: Simplify right side
    20,266.47x = 524,143,073.06
  5. Step 5: Solve for x
    x = 524,143,073.06/20,266.47
  6. Step 6: Final answer
    x = 25,862.57

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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.