Home / 15,847.49-21,869.56-10,182.27

Finding the Fourth Proportional to 15,847.49, 21,869.56 and 10,182.27

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Solution

The fourth proportional to 15,847.49, 21,869.56 and 10,182.27 is: 14,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.49 : 21,869.56 = 10,182.27 : x
  2. Step 2: Convert to fraction form
    15,847.49/21,869.56 = 10,182.27/x
  3. Step 3: Cross multiply
    15,847.49x = 21,869.56 × 10,182.27
  4. Step 4: Simplify right side
    15,847.49x = 222,681,764.70
  5. Step 5: Solve for x
    x = 222,681,764.70/15,847.49
  6. Step 6: Final answer
    x = 14,051.55

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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.