Home / 18,436.50-25,442.91-10,053.54

Finding the Fourth Proportional to 18,436.50, 25,442.91 and 10,053.54

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Solution

The fourth proportional to 18,436.50, 25,442.91 and 10,053.54 is: 13,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.50 : 25,442.91 = 10,053.54 : x
  2. Step 2: Convert to fraction form
    18,436.50/25,442.91 = 10,053.54/x
  3. Step 3: Cross multiply
    18,436.50x = 25,442.91 × 10,053.54
  4. Step 4: Simplify right side
    18,436.50x = 255,791,313.40
  5. Step 5: Solve for x
    x = 255,791,313.40/18,436.50
  6. Step 6: Final answer
    x = 13,874.18

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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.