Home / 14,892.48-20,551.77-8,177.94

Finding the Fourth Proportional to 14,892.48, 20,551.77 and 8,177.94

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Solution

The fourth proportional to 14,892.48, 20,551.77 and 8,177.94 is: 11,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.48 : 20,551.77 = 8,177.94 : x
  2. Step 2: Convert to fraction form
    14,892.48/20,551.77 = 8,177.94/x
  3. Step 3: Cross multiply
    14,892.48x = 20,551.77 × 8,177.94
  4. Step 4: Simplify right side
    14,892.48x = 168,071,141.95
  5. Step 5: Solve for x
    x = 168,071,141.95/14,892.48
  6. Step 6: Final answer
    x = 11,285.64

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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.