Home / 22,259.21-30,704.87-13,861.13

Finding the Fourth Proportional to 22,259.21, 30,704.87 and 13,861.13

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Solution

The fourth proportional to 22,259.21, 30,704.87 and 13,861.13 is: 19,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.21 : 30,704.87 = 13,861.13 : x
  2. Step 2: Convert to fraction form
    22,259.21/30,704.87 = 13,861.13/x
  3. Step 3: Cross multiply
    22,259.21x = 30,704.87 × 13,861.13
  4. Step 4: Simplify right side
    22,259.21x = 425,604,075.83
  5. Step 5: Solve for x
    x = 425,604,075.83/22,259.21
  6. Step 6: Final answer
    x = 19,120.36

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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.