Home / 19,041.50-26,257.84-15,806.12

Finding the Fourth Proportional to 19,041.50, 26,257.84 and 15,806.12

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Solution

The fourth proportional to 19,041.50, 26,257.84 and 15,806.12 is: 21,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,041.50 : 26,257.84 = 15,806.12 : x
  2. Step 2: Convert to fraction form
    19,041.50/26,257.84 = 15,806.12/x
  3. Step 3: Cross multiply
    19,041.50x = 26,257.84 × 15,806.12
  4. Step 4: Simplify right side
    19,041.50x = 415,034,399.18
  5. Step 5: Solve for x
    x = 415,034,399.18/19,041.50
  6. Step 6: Final answer
    x = 21,796.31

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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.