Home / 18,822.31-28,233.16-4,590.95

Finding the Fourth Proportional to 18,822.31, 28,233.16 and 4,590.95

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Solution

The fourth proportional to 18,822.31, 28,233.16 and 4,590.95 is: 6,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.31 : 28,233.16 = 4,590.95 : x
  2. Step 2: Convert to fraction form
    18,822.31/28,233.16 = 4,590.95/x
  3. Step 3: Cross multiply
    18,822.31x = 28,233.16 × 4,590.95
  4. Step 4: Simplify right side
    18,822.31x = 129,616,873.26
  5. Step 5: Solve for x
    x = 129,616,873.26/18,822.31
  6. Step 6: Final answer
    x = 6,886.34

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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.