Home / 14,217.39-19,628.02-9,859.59

Finding the Fourth Proportional to 14,217.39, 19,628.02 and 9,859.59

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Solution

The fourth proportional to 14,217.39, 19,628.02 and 9,859.59 is: 13,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.39 : 19,628.02 = 9,859.59 : x
  2. Step 2: Convert to fraction form
    14,217.39/19,628.02 = 9,859.59/x
  3. Step 3: Cross multiply
    14,217.39x = 19,628.02 × 9,859.59
  4. Step 4: Simplify right side
    14,217.39x = 193,524,229.71
  5. Step 5: Solve for x
    x = 193,524,229.71/14,217.39
  6. Step 6: Final answer
    x = 13,611.80

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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.