Home / 19,226.60-28,839.90-18,967.40

Finding the Fourth Proportional to 19,226.60, 28,839.90 and 18,967.40

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Solution

The fourth proportional to 19,226.60, 28,839.90 and 18,967.40 is: 28,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.60 : 28,839.90 = 18,967.40 : x
  2. Step 2: Convert to fraction form
    19,226.60/28,839.90 = 18,967.40/x
  3. Step 3: Cross multiply
    19,226.60x = 28,839.90 × 18,967.40
  4. Step 4: Simplify right side
    19,226.60x = 547,017,919.26
  5. Step 5: Solve for x
    x = 547,017,919.26/19,226.60
  6. Step 6: Final answer
    x = 28,451.10

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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.