Home / 19,784.76-27,305.18-11,288.99

Finding the Fourth Proportional to 19,784.76, 27,305.18 and 11,288.99

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Solution

The fourth proportional to 19,784.76, 27,305.18 and 11,288.99 is: 15,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.76 : 27,305.18 = 11,288.99 : x
  2. Step 2: Convert to fraction form
    19,784.76/27,305.18 = 11,288.99/x
  3. Step 3: Cross multiply
    19,784.76x = 27,305.18 × 11,288.99
  4. Step 4: Simplify right side
    19,784.76x = 308,247,711.00
  5. Step 5: Solve for x
    x = 308,247,711.00/19,784.76
  6. Step 6: Final answer
    x = 15,580.06

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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.