Home / 19,803.51-27,328.85-11,847.62

Finding the Fourth Proportional to 19,803.51, 27,328.85 and 11,847.62

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Solution

The fourth proportional to 19,803.51, 27,328.85 and 11,847.62 is: 16,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.51 : 27,328.85 = 11,847.62 : x
  2. Step 2: Convert to fraction form
    19,803.51/27,328.85 = 11,847.62/x
  3. Step 3: Cross multiply
    19,803.51x = 27,328.85 × 11,847.62
  4. Step 4: Simplify right side
    19,803.51x = 323,781,633.95
  5. Step 5: Solve for x
    x = 323,781,633.95/19,803.51
  6. Step 6: Final answer
    x = 16,349.71

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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.