Home / 15,749.46-21,733.46-8,675.74

Finding the Fourth Proportional to 15,749.46, 21,733.46 and 8,675.74

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Solution

The fourth proportional to 15,749.46, 21,733.46 and 8,675.74 is: 11,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.46 : 21,733.46 = 8,675.74 : x
  2. Step 2: Convert to fraction form
    15,749.46/21,733.46 = 8,675.74/x
  3. Step 3: Cross multiply
    15,749.46x = 21,733.46 × 8,675.74
  4. Step 4: Simplify right side
    15,749.46x = 188,553,848.26
  5. Step 5: Solve for x
    x = 188,553,848.26/15,749.46
  6. Step 6: Final answer
    x = 11,972.08

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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.