Home / 22,927.56-31,637.78-12,984.52

Finding the Fourth Proportional to 22,927.56, 31,637.78 and 12,984.52

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Solution

The fourth proportional to 22,927.56, 31,637.78 and 12,984.52 is: 17,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.56 : 31,637.78 = 12,984.52 : x
  2. Step 2: Convert to fraction form
    22,927.56/31,637.78 = 12,984.52/x
  3. Step 3: Cross multiply
    22,927.56x = 31,637.78 × 12,984.52
  4. Step 4: Simplify right side
    22,927.56x = 410,801,387.17
  5. Step 5: Solve for x
    x = 410,801,387.17/22,927.56
  6. Step 6: Final answer
    x = 17,917.36

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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.