Home / 19,317.30-26,664.21-11,359.14

Finding the Fourth Proportional to 19,317.30, 26,664.21 and 11,359.14

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Solution

The fourth proportional to 19,317.30, 26,664.21 and 11,359.14 is: 15,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.30 : 26,664.21 = 11,359.14 : x
  2. Step 2: Convert to fraction form
    19,317.30/26,664.21 = 11,359.14/x
  3. Step 3: Cross multiply
    19,317.30x = 26,664.21 × 11,359.14
  4. Step 4: Simplify right side
    19,317.30x = 302,882,494.38
  5. Step 5: Solve for x
    x = 302,882,494.38/19,317.30
  6. Step 6: Final answer
    x = 15,679.34

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Double scale
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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.