Home / 19,080.12-26,364.78-14,919.96

Finding the Fourth Proportional to 19,080.12, 26,364.78 and 14,919.96

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Solution

The fourth proportional to 19,080.12, 26,364.78 and 14,919.96 is: 20,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.12 : 26,364.78 = 14,919.96 : x
  2. Step 2: Convert to fraction form
    19,080.12/26,364.78 = 14,919.96/x
  3. Step 3: Cross multiply
    19,080.12x = 26,364.78 × 14,919.96
  4. Step 4: Simplify right side
    19,080.12x = 393,361,463.01
  5. Step 5: Solve for x
    x = 393,361,463.01/19,080.12
  6. Step 6: Final answer
    x = 20,616.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.