Home / 22,664.21-31,266.56-15,103.17

Finding the Fourth Proportional to 22,664.21, 31,266.56 and 15,103.17

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Solution

The fourth proportional to 22,664.21, 31,266.56 and 15,103.17 is: 20,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.21 : 31,266.56 = 15,103.17 : x
  2. Step 2: Convert to fraction form
    22,664.21/31,266.56 = 15,103.17/x
  3. Step 3: Cross multiply
    22,664.21x = 31,266.56 × 15,103.17
  4. Step 4: Simplify right side
    22,664.21x = 472,224,208.75
  5. Step 5: Solve for x
    x = 472,224,208.75/22,664.21
  6. Step 6: Final answer
    x = 20,835.68

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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.