Home / 19,505.31-29,257.28-5,465.23

Finding the Fourth Proportional to 19,505.31, 29,257.28 and 5,465.23

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Solution

The fourth proportional to 19,505.31, 29,257.28 and 5,465.23 is: 8,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505.31 : 29,257.28 = 5,465.23 : x
  2. Step 2: Convert to fraction form
    19,505.31/29,257.28 = 5,465.23/x
  3. Step 3: Cross multiply
    19,505.31x = 29,257.28 × 5,465.23
  4. Step 4: Simplify right side
    19,505.31x = 159,897,764.37
  5. Step 5: Solve for x
    x = 159,897,764.37/19,505.31
  6. Step 6: Final answer
    x = 8,197.65

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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.