Home / 15,847.09-21,879.30-10,184.02

Finding the Fourth Proportional to 15,847.09, 21,879.30 and 10,184.02

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Solution

The fourth proportional to 15,847.09, 21,879.30 and 10,184.02 is: 14,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.09 : 21,879.30 = 10,184.02 : x
  2. Step 2: Convert to fraction form
    15,847.09/21,879.30 = 10,184.02/x
  3. Step 3: Cross multiply
    15,847.09x = 21,879.30 × 10,184.02
  4. Step 4: Simplify right side
    15,847.09x = 222,819,228.79
  5. Step 5: Solve for x
    x = 222,819,228.79/15,847.09
  6. Step 6: Final answer
    x = 14,060.58

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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.