Home / 18,265.19-25,206.32-10,717.31

Finding the Fourth Proportional to 18,265.19, 25,206.32 and 10,717.31

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Solution

The fourth proportional to 18,265.19, 25,206.32 and 10,717.31 is: 14,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.19 : 25,206.32 = 10,717.31 : x
  2. Step 2: Convert to fraction form
    18,265.19/25,206.32 = 10,717.31/x
  3. Step 3: Cross multiply
    18,265.19x = 25,206.32 × 10,717.31
  4. Step 4: Simplify right side
    18,265.19x = 270,143,846.16
  5. Step 5: Solve for x
    x = 270,143,846.16/18,265.19
  6. Step 6: Final answer
    x = 14,790.10

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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.