Home / 21,856.01-32,780.01-5,845.76

Finding the Fourth Proportional to 21,856.01, 32,780.01 and 5,845.76

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Solution

The fourth proportional to 21,856.01, 32,780.01 and 5,845.76 is: 8,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856.01 : 32,780.01 = 5,845.76 : x
  2. Step 2: Convert to fraction form
    21,856.01/32,780.01 = 5,845.76/x
  3. Step 3: Cross multiply
    21,856.01x = 32,780.01 × 5,845.76
  4. Step 4: Simplify right side
    21,856.01x = 191,623,907.36
  5. Step 5: Solve for x
    x = 191,623,907.36/21,856.01
  6. Step 6: Final answer
    x = 8,767.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.