Home / 21,857.01-32,781.51-5,846.76

Finding the Fourth Proportional to 21,857.01, 32,781.51 and 5,846.76

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Solution

The fourth proportional to 21,857.01, 32,781.51 and 5,846.76 is: 8,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857.01 : 32,781.51 = 5,846.76 : x
  2. Step 2: Convert to fraction form
    21,857.01/32,781.51 = 5,846.76/x
  3. Step 3: Cross multiply
    21,857.01x = 32,781.51 × 5,846.76
  4. Step 4: Simplify right side
    21,857.01x = 191,665,621.41
  5. Step 5: Solve for x
    x = 191,665,621.41/21,857.01
  6. Step 6: Final answer
    x = 8,769.07

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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.