Home / 18,880.10-26,053.99-10,382.25

Finding the Fourth Proportional to 18,880.10, 26,053.99 and 10,382.25

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Solution

The fourth proportional to 18,880.10, 26,053.99 and 10,382.25 is: 14,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.10 : 26,053.99 = 10,382.25 : x
  2. Step 2: Convert to fraction form
    18,880.10/26,053.99 = 10,382.25/x
  3. Step 3: Cross multiply
    18,880.10x = 26,053.99 × 10,382.25
  4. Step 4: Simplify right side
    18,880.10x = 270,499,037.68
  5. Step 5: Solve for x
    x = 270,499,037.68/18,880.10
  6. Step 6: Final answer
    x = 14,327.20

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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.