Home / 19,943.49-29,933.73-10,089.75

Finding the Fourth Proportional to 19,943.49, 29,933.73 and 10,089.75

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Solution

The fourth proportional to 19,943.49, 29,933.73 and 10,089.75 is: 15,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.49 : 29,933.73 = 10,089.75 : x
  2. Step 2: Convert to fraction form
    19,943.49/29,933.73 = 10,089.75/x
  3. Step 3: Cross multiply
    19,943.49x = 29,933.73 × 10,089.75
  4. Step 4: Simplify right side
    19,943.49x = 302,023,852.27
  5. Step 5: Solve for x
    x = 302,023,852.27/19,943.49
  6. Step 6: Final answer
    x = 15,143.98

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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.