Home / 19,621.76-27,068.51-11,658.34

Finding the Fourth Proportional to 19,621.76, 27,068.51 and 11,658.34

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Solution

The fourth proportional to 19,621.76, 27,068.51 and 11,658.34 is: 16,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.76 : 27,068.51 = 11,658.34 : x
  2. Step 2: Convert to fraction form
    19,621.76/27,068.51 = 11,658.34/x
  3. Step 3: Cross multiply
    19,621.76x = 27,068.51 × 11,658.34
  4. Step 4: Simplify right side
    19,621.76x = 315,573,969.33
  5. Step 5: Solve for x
    x = 315,573,969.33/19,621.76
  6. Step 6: Final answer
    x = 16,082.86

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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.