Home / 13,515.42-18,634.41-10,332.66

Finding the Fourth Proportional to 13,515.42, 18,634.41 and 10,332.66

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Solution

The fourth proportional to 13,515.42, 18,634.41 and 10,332.66 is: 14,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.42 : 18,634.41 = 10,332.66 : x
  2. Step 2: Convert to fraction form
    13,515.42/18,634.41 = 10,332.66/x
  3. Step 3: Cross multiply
    13,515.42x = 18,634.41 × 10,332.66
  4. Step 4: Simplify right side
    13,515.42x = 192,543,022.83
  5. Step 5: Solve for x
    x = 192,543,022.83/13,515.42
  6. Step 6: Final answer
    x = 14,246.17

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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.