Home / 15,862.14-21,879.84-10,204.25

Finding the Fourth Proportional to 15,862.14, 21,879.84 and 10,204.25

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Solution

The fourth proportional to 15,862.14, 21,879.84 and 10,204.25 is: 14,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.14 : 21,879.84 = 10,204.25 : x
  2. Step 2: Convert to fraction form
    15,862.14/21,879.84 = 10,204.25/x
  3. Step 3: Cross multiply
    15,862.14x = 21,879.84 × 10,204.25
  4. Step 4: Simplify right side
    15,862.14x = 223,267,306.30
  5. Step 5: Solve for x
    x = 223,267,306.30/15,862.14
  6. Step 6: Final answer
    x = 14,075.49

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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.