Home / 19,695.93-27,181.98-11,200.71

Finding the Fourth Proportional to 19,695.93, 27,181.98 and 11,200.71

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Solution

The fourth proportional to 19,695.93, 27,181.98 and 11,200.71 is: 15,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.93 : 27,181.98 = 11,200.71 : x
  2. Step 2: Convert to fraction form
    19,695.93/27,181.98 = 11,200.71/x
  3. Step 3: Cross multiply
    19,695.93x = 27,181.98 × 11,200.71
  4. Step 4: Simplify right side
    19,695.93x = 304,457,475.21
  5. Step 5: Solve for x
    x = 304,457,475.21/19,695.93
  6. Step 6: Final answer
    x = 15,457.89

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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.