Home / 15,767.04-21,759.52-8,693.52

Finding the Fourth Proportional to 15,767.04, 21,759.52 and 8,693.52

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Solution

The fourth proportional to 15,767.04, 21,759.52 and 8,693.52 is: 11,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.04 : 21,759.52 = 8,693.52 : x
  2. Step 2: Convert to fraction form
    15,767.04/21,759.52 = 8,693.52/x
  3. Step 3: Cross multiply
    15,767.04x = 21,759.52 × 8,693.52
  4. Step 4: Simplify right side
    15,767.04x = 189,166,822.31
  5. Step 5: Solve for x
    x = 189,166,822.31/15,767.04
  6. Step 6: Final answer
    x = 11,997.61

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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.