Home / 19,074.93-28,618.62-9,215.34

Finding the Fourth Proportional to 19,074.93, 28,618.62 and 9,215.34

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Solution

The fourth proportional to 19,074.93, 28,618.62 and 9,215.34 is: 13,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.93 : 28,618.62 = 9,215.34 : x
  2. Step 2: Convert to fraction form
    19,074.93/28,618.62 = 9,215.34/x
  3. Step 3: Cross multiply
    19,074.93x = 28,618.62 × 9,215.34
  4. Step 4: Simplify right side
    19,074.93x = 263,730,313.63
  5. Step 5: Solve for x
    x = 263,730,313.63/19,074.93
  6. Step 6: Final answer
    x = 13,826.02

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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.