Home / 18,356.61-25,327.86-10,698.69

Finding the Fourth Proportional to 18,356.61, 25,327.86 and 10,698.69

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Solution

The fourth proportional to 18,356.61, 25,327.86 and 10,698.69 is: 14,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.61 : 25,327.86 = 10,698.69 : x
  2. Step 2: Convert to fraction form
    18,356.61/25,327.86 = 10,698.69/x
  3. Step 3: Cross multiply
    18,356.61x = 25,327.86 × 10,698.69
  4. Step 4: Simplify right side
    18,356.61x = 270,974,922.50
  5. Step 5: Solve for x
    x = 270,974,922.50/18,356.61
  6. Step 6: Final answer
    x = 14,761.71

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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.