Home / 15,997.04-22,078.05-9,709.52

Finding the Fourth Proportional to 15,997.04, 22,078.05 and 9,709.52

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Solution

The fourth proportional to 15,997.04, 22,078.05 and 9,709.52 is: 13,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.04 : 22,078.05 = 9,709.52 : x
  2. Step 2: Convert to fraction form
    15,997.04/22,078.05 = 9,709.52/x
  3. Step 3: Cross multiply
    15,997.04x = 22,078.05 × 9,709.52
  4. Step 4: Simplify right side
    15,997.04x = 214,367,268.04
  5. Step 5: Solve for x
    x = 214,367,268.04/15,997.04
  6. Step 6: Final answer
    x = 13,400.43

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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.