Home / 22,139.02-33,223.11-10,453.42

Finding the Fourth Proportional to 22,139.02, 33,223.11 and 10,453.42

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Solution

The fourth proportional to 22,139.02, 33,223.11 and 10,453.42 is: 15,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.02 : 33,223.11 = 10,453.42 : x
  2. Step 2: Convert to fraction form
    22,139.02/33,223.11 = 10,453.42/x
  3. Step 3: Cross multiply
    22,139.02x = 33,223.11 × 10,453.42
  4. Step 4: Simplify right side
    22,139.02x = 347,295,122.54
  5. Step 5: Solve for x
    x = 347,295,122.54/22,139.02
  6. Step 6: Final answer
    x = 15,687.01

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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.