Home / 19,384.88-29,037.86-17,770.28

Finding the Fourth Proportional to 19,384.88, 29,037.86 and 17,770.28

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Solution

The fourth proportional to 19,384.88, 29,037.86 and 17,770.28 is: 26,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.88 : 29,037.86 = 17,770.28 : x
  2. Step 2: Convert to fraction form
    19,384.88/29,037.86 = 17,770.28/x
  3. Step 3: Cross multiply
    19,384.88x = 29,037.86 × 17,770.28
  4. Step 4: Simplify right side
    19,384.88x = 516,010,902.80
  5. Step 5: Solve for x
    x = 516,010,902.80/19,384.88
  6. Step 6: Final answer
    x = 26,619.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.