Home / 18,734.28-25,853-10,236.22

Finding the Fourth Proportional to 18,734.28, 25,853 and 10,236.22

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Solution

The fourth proportional to 18,734.28, 25,853 and 10,236.22 is: 14,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.28 : 25,853 = 10,236.22 : x
  2. Step 2: Convert to fraction form
    18,734.28/25,853 = 10,236.22/x
  3. Step 3: Cross multiply
    18,734.28x = 25,853 × 10,236.22
  4. Step 4: Simplify right side
    18,734.28x = 264,636,866.40
  5. Step 5: Solve for x
    x = 264,636,866.40/18,734.28
  6. Step 6: Final answer
    x = 14,125.81

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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.