Home / 18,716.15-28,061.22-7,026.23

Finding the Fourth Proportional to 18,716.15, 28,061.22 and 7,026.23

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Solution

The fourth proportional to 18,716.15, 28,061.22 and 7,026.23 is: 10,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.15 : 28,061.22 = 7,026.23 : x
  2. Step 2: Convert to fraction form
    18,716.15/28,061.22 = 7,026.23/x
  3. Step 3: Cross multiply
    18,716.15x = 28,061.22 × 7,026.23
  4. Step 4: Simplify right side
    18,716.15x = 197,164,585.80
  5. Step 5: Solve for x
    x = 197,164,585.80/18,716.15
  6. Step 6: Final answer
    x = 10,534.46

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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.