Home / 18,914.75-26,103.17-10,531.25

Finding the Fourth Proportional to 18,914.75, 26,103.17 and 10,531.25

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Solution

The fourth proportional to 18,914.75, 26,103.17 and 10,531.25 is: 14,533.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.75 : 26,103.17 = 10,531.25 : x
  2. Step 2: Convert to fraction form
    18,914.75/26,103.17 = 10,531.25/x
  3. Step 3: Cross multiply
    18,914.75x = 26,103.17 × 10,531.25
  4. Step 4: Simplify right side
    18,914.75x = 274,898,956.41
  5. Step 5: Solve for x
    x = 274,898,956.41/18,914.75
  6. Step 6: Final answer
    x = 14,533.58

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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.