Home / 19,934.51-29,901.80-18,716.62

Finding the Fourth Proportional to 19,934.51, 29,901.80 and 18,716.62

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Solution

The fourth proportional to 19,934.51, 29,901.80 and 18,716.62 is: 28,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.51 : 29,901.80 = 18,716.62 : x
  2. Step 2: Convert to fraction form
    19,934.51/29,901.80 = 18,716.62/x
  3. Step 3: Cross multiply
    19,934.51x = 29,901.80 × 18,716.62
  4. Step 4: Simplify right side
    19,934.51x = 559,660,627.92
  5. Step 5: Solve for x
    x = 559,660,627.92/19,934.51
  6. Step 6: Final answer
    x = 28,074.97

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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.