Home / 22,069.88-30,455.79-12,510.65

Finding the Fourth Proportional to 22,069.88, 30,455.79 and 12,510.65

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Solution

The fourth proportional to 22,069.88, 30,455.79 and 12,510.65 is: 17,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.88 : 30,455.79 = 12,510.65 : x
  2. Step 2: Convert to fraction form
    22,069.88/30,455.79 = 12,510.65/x
  3. Step 3: Cross multiply
    22,069.88x = 30,455.79 × 12,510.65
  4. Step 4: Simplify right side
    22,069.88x = 381,021,692.63
  5. Step 5: Solve for x
    x = 381,021,692.63/22,069.88
  6. Step 6: Final answer
    x = 17,264.33

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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.