Home / 18,377.06-25,366.12-10,424.57

Finding the Fourth Proportional to 18,377.06, 25,366.12 and 10,424.57

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Solution

The fourth proportional to 18,377.06, 25,366.12 and 10,424.57 is: 14,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.06 : 25,366.12 = 10,424.57 : x
  2. Step 2: Convert to fraction form
    18,377.06/25,366.12 = 10,424.57/x
  3. Step 3: Cross multiply
    18,377.06x = 25,366.12 × 10,424.57
  4. Step 4: Simplify right side
    18,377.06x = 264,430,740.68
  5. Step 5: Solve for x
    x = 264,430,740.68/18,377.06
  6. Step 6: Final answer
    x = 14,389.18

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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.