Home / 19,106.72-28,655.79-8,025.92

Finding the Fourth Proportional to 19,106.72, 28,655.79 and 8,025.92

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Solution

The fourth proportional to 19,106.72, 28,655.79 and 8,025.92 is: 12,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.72 : 28,655.79 = 8,025.92 : x
  2. Step 2: Convert to fraction form
    19,106.72/28,655.79 = 8,025.92/x
  3. Step 3: Cross multiply
    19,106.72x = 28,655.79 × 8,025.92
  4. Step 4: Simplify right side
    19,106.72x = 229,989,078.08
  5. Step 5: Solve for x
    x = 229,989,078.08/19,106.72
  6. Step 6: Final answer
    x = 12,037.08

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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.