Home / 19,972.95-27,562.62-11,021.04

Finding the Fourth Proportional to 19,972.95, 27,562.62 and 11,021.04

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Solution

The fourth proportional to 19,972.95, 27,562.62 and 11,021.04 is: 15,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.95 : 27,562.62 = 11,021.04 : x
  2. Step 2: Convert to fraction form
    19,972.95/27,562.62 = 11,021.04/x
  3. Step 3: Cross multiply
    19,972.95x = 27,562.62 × 11,021.04
  4. Step 4: Simplify right side
    19,972.95x = 303,768,737.52
  5. Step 5: Solve for x
    x = 303,768,737.52/19,972.95
  6. Step 6: Final answer
    x = 15,209.01

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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.