Home / 19,301.19-26,636.14-11,343.84

Finding the Fourth Proportional to 19,301.19, 26,636.14 and 11,343.84

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Solution

The fourth proportional to 19,301.19, 26,636.14 and 11,343.84 is: 15,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.19 : 26,636.14 = 11,343.84 : x
  2. Step 2: Convert to fraction form
    19,301.19/26,636.14 = 11,343.84/x
  3. Step 3: Cross multiply
    19,301.19x = 26,636.14 × 11,343.84
  4. Step 4: Simplify right side
    19,301.19x = 302,156,082.02
  5. Step 5: Solve for x
    x = 302,156,082.02/19,301.19
  6. Step 6: Final answer
    x = 15,654.79

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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.