Home / 18,320.24-25,277.72-10,360.74

Finding the Fourth Proportional to 18,320.24, 25,277.72 and 10,360.74

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Solution

The fourth proportional to 18,320.24, 25,277.72 and 10,360.74 is: 14,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.24 : 25,277.72 = 10,360.74 : x
  2. Step 2: Convert to fraction form
    18,320.24/25,277.72 = 10,360.74/x
  3. Step 3: Cross multiply
    18,320.24x = 25,277.72 × 10,360.74
  4. Step 4: Simplify right side
    18,320.24x = 261,895,884.71
  5. Step 5: Solve for x
    x = 261,895,884.71/18,320.24
  6. Step 6: Final answer
    x = 14,295.44

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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.