Home / 18,914.75-26,102.54-10,531.43

Finding the Fourth Proportional to 18,914.75, 26,102.54 and 10,531.43

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Solution

The fourth proportional to 18,914.75, 26,102.54 and 10,531.43 is: 14,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.75 : 26,102.54 = 10,531.43 : x
  2. Step 2: Convert to fraction form
    18,914.75/26,102.54 = 10,531.43/x
  3. Step 3: Cross multiply
    18,914.75x = 26,102.54 × 10,531.43
  4. Step 4: Simplify right side
    18,914.75x = 274,897,020.18
  5. Step 5: Solve for x
    x = 274,897,020.18/18,914.75
  6. Step 6: Final answer
    x = 14,533.47

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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.