Home / 22,782.17-34,178.27-6,989.38

Finding the Fourth Proportional to 22,782.17, 34,178.27 and 6,989.38

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Solution

The fourth proportional to 22,782.17, 34,178.27 and 6,989.38 is: 10,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782.17 : 34,178.27 = 6,989.38 : x
  2. Step 2: Convert to fraction form
    22,782.17/34,178.27 = 6,989.38/x
  3. Step 3: Cross multiply
    22,782.17x = 34,178.27 × 6,989.38
  4. Step 4: Simplify right side
    22,782.17x = 238,884,796.38
  5. Step 5: Solve for x
    x = 238,884,796.38/22,782.17
  6. Step 6: Final answer
    x = 10,485.60

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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.