Home / 19,226.27-28,830.72-8,127.24

Finding the Fourth Proportional to 19,226.27, 28,830.72 and 8,127.24

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Solution

The fourth proportional to 19,226.27, 28,830.72 and 8,127.24 is: 12,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.27 : 28,830.72 = 8,127.24 : x
  2. Step 2: Convert to fraction form
    19,226.27/28,830.72 = 8,127.24/x
  3. Step 3: Cross multiply
    19,226.27x = 28,830.72 × 8,127.24
  4. Step 4: Simplify right side
    19,226.27x = 234,314,180.81
  5. Step 5: Solve for x
    x = 234,314,180.81/19,226.27
  6. Step 6: Final answer
    x = 12,187.19

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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.