Home / 18,431.32-25,435.38-10,048.36

Finding the Fourth Proportional to 18,431.32, 25,435.38 and 10,048.36

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Solution

The fourth proportional to 18,431.32, 25,435.38 and 10,048.36 is: 13,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.32 : 25,435.38 = 10,048.36 : x
  2. Step 2: Convert to fraction form
    18,431.32/25,435.38 = 10,048.36/x
  3. Step 3: Cross multiply
    18,431.32x = 25,435.38 × 10,048.36
  4. Step 4: Simplify right side
    18,431.32x = 255,583,854.98
  5. Step 5: Solve for x
    x = 255,583,854.98/18,431.32
  6. Step 6: Final answer
    x = 13,866.82

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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.