Home / 19,473.95-26,884.86-12,769.43

Finding the Fourth Proportional to 19,473.95, 26,884.86 and 12,769.43

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Solution

The fourth proportional to 19,473.95, 26,884.86 and 12,769.43 is: 17,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.95 : 26,884.86 = 12,769.43 : x
  2. Step 2: Convert to fraction form
    19,473.95/26,884.86 = 12,769.43/x
  3. Step 3: Cross multiply
    19,473.95x = 26,884.86 × 12,769.43
  4. Step 4: Simplify right side
    19,473.95x = 343,304,378.58
  5. Step 5: Solve for x
    x = 343,304,378.58/19,473.95
  6. Step 6: Final answer
    x = 17,628.90

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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.