Home / 22,768.08-34,167.36-7,977

Finding the Fourth Proportional to 22,768.08, 34,167.36 and 7,977

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Solution

The fourth proportional to 22,768.08, 34,167.36 and 7,977 is: 11,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,768.08 : 34,167.36 = 7,977 : x
  2. Step 2: Convert to fraction form
    22,768.08/34,167.36 = 7,977/x
  3. Step 3: Cross multiply
    22,768.08x = 34,167.36 × 7,977
  4. Step 4: Simplify right side
    22,768.08x = 272,553,030.72
  5. Step 5: Solve for x
    x = 272,553,030.72/22,768.08
  6. Step 6: Final answer
    x = 11,970.84

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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.