Home / 21,652.11-32,448.87-19,086.03

Finding the Fourth Proportional to 21,652.11, 32,448.87 and 19,086.03

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Solution

The fourth proportional to 21,652.11, 32,448.87 and 19,086.03 is: 28,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.11 : 32,448.87 = 19,086.03 : x
  2. Step 2: Convert to fraction form
    21,652.11/32,448.87 = 19,086.03/x
  3. Step 3: Cross multiply
    21,652.11x = 32,448.87 × 19,086.03
  4. Step 4: Simplify right side
    21,652.11x = 619,320,106.29
  5. Step 5: Solve for x
    x = 619,320,106.29/21,652.11
  6. Step 6: Final answer
    x = 28,603.22

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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.