Home / 19,065.96-28,468.53-17,078.76

Finding the Fourth Proportional to 19,065.96, 28,468.53 and 17,078.76

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Solution

The fourth proportional to 19,065.96, 28,468.53 and 17,078.76 is: 25,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.96 : 28,468.53 = 17,078.76 : x
  2. Step 2: Convert to fraction form
    19,065.96/28,468.53 = 17,078.76/x
  3. Step 3: Cross multiply
    19,065.96x = 28,468.53 × 17,078.76
  4. Step 4: Simplify right side
    19,065.96x = 486,207,191.42
  5. Step 5: Solve for x
    x = 486,207,191.42/19,065.96
  6. Step 6: Final answer
    x = 25,501.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.