Home / 14,940.18-20,617.07-8,225.55

Finding the Fourth Proportional to 14,940.18, 20,617.07 and 8,225.55

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Solution

The fourth proportional to 14,940.18, 20,617.07 and 8,225.55 is: 11,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.18 : 20,617.07 = 8,225.55 : x
  2. Step 2: Convert to fraction form
    14,940.18/20,617.07 = 8,225.55/x
  3. Step 3: Cross multiply
    14,940.18x = 20,617.07 × 8,225.55
  4. Step 4: Simplify right side
    14,940.18x = 169,586,699.01
  5. Step 5: Solve for x
    x = 169,586,699.01/14,940.18
  6. Step 6: Final answer
    x = 11,351.05

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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.