Home / 21,436.08-32,265.92-19,398.52

Finding the Fourth Proportional to 21,436.08, 32,265.92 and 19,398.52

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Solution

The fourth proportional to 21,436.08, 32,265.92 and 19,398.52 is: 29,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,436.08 : 32,265.92 = 19,398.52 : x
  2. Step 2: Convert to fraction form
    21,436.08/32,265.92 = 19,398.52/x
  3. Step 3: Cross multiply
    21,436.08x = 32,265.92 × 19,398.52
  4. Step 4: Simplify right side
    21,436.08x = 625,911,094.44
  5. Step 5: Solve for x
    x = 625,911,094.44/21,436.08
  6. Step 6: Final answer
    x = 29,198.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.