Home / 19,181.15-28,774.56-9,826.46

Finding the Fourth Proportional to 19,181.15, 28,774.56 and 9,826.46

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Solution

The fourth proportional to 19,181.15, 28,774.56 and 9,826.46 is: 14,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.15 : 28,774.56 = 9,826.46 : x
  2. Step 2: Convert to fraction form
    19,181.15/28,774.56 = 9,826.46/x
  3. Step 3: Cross multiply
    19,181.15x = 28,774.56 × 9,826.46
  4. Step 4: Simplify right side
    19,181.15x = 282,752,062.86
  5. Step 5: Solve for x
    x = 282,752,062.86/19,181.15
  6. Step 6: Final answer
    x = 14,741.14

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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.