Home / 22,075.14-30,462.11-12,515.22

Finding the Fourth Proportional to 22,075.14, 30,462.11 and 12,515.22

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Solution

The fourth proportional to 22,075.14, 30,462.11 and 12,515.22 is: 17,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.14 : 30,462.11 = 12,515.22 : x
  2. Step 2: Convert to fraction form
    22,075.14/30,462.11 = 12,515.22/x
  3. Step 3: Cross multiply
    22,075.14x = 30,462.11 × 12,515.22
  4. Step 4: Simplify right side
    22,075.14x = 381,239,992.67
  5. Step 5: Solve for x
    x = 381,239,992.67/22,075.14
  6. Step 6: Final answer
    x = 17,270.10

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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.