Home / 13,187.08-19,766.71-9,025.98

Finding the Fourth Proportional to 13,187.08, 19,766.71 and 9,025.98

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Solution

The fourth proportional to 13,187.08, 19,766.71 and 9,025.98 is: 13,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.08 : 19,766.71 = 9,025.98 : x
  2. Step 2: Convert to fraction form
    13,187.08/19,766.71 = 9,025.98/x
  3. Step 3: Cross multiply
    13,187.08x = 19,766.71 × 9,025.98
  4. Step 4: Simplify right side
    13,187.08x = 178,413,929.13
  5. Step 5: Solve for x
    x = 178,413,929.13/13,187.08
  6. Step 6: Final answer
    x = 13,529.45

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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.