Home / 22,866.78-31,554.99-12,795.24

Finding the Fourth Proportional to 22,866.78, 31,554.99 and 12,795.24

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Solution

The fourth proportional to 22,866.78, 31,554.99 and 12,795.24 is: 17,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,866.78 : 31,554.99 = 12,795.24 : x
  2. Step 2: Convert to fraction form
    22,866.78/31,554.99 = 12,795.24/x
  3. Step 3: Cross multiply
    22,866.78x = 31,554.99 × 12,795.24
  4. Step 4: Simplify right side
    22,866.78x = 403,753,670.25
  5. Step 5: Solve for x
    x = 403,753,670.25/22,866.78
  6. Step 6: Final answer
    x = 17,656.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.