Home / 19,343.81-26,694.46-11,390.93

Finding the Fourth Proportional to 19,343.81, 26,694.46 and 11,390.93

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Solution

The fourth proportional to 19,343.81, 26,694.46 and 11,390.93 is: 15,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.81 : 26,694.46 = 11,390.93 : x
  2. Step 2: Convert to fraction form
    19,343.81/26,694.46 = 11,390.93/x
  3. Step 3: Cross multiply
    19,343.81x = 26,694.46 × 11,390.93
  4. Step 4: Simplify right side
    19,343.81x = 304,074,706.12
  5. Step 5: Solve for x
    x = 304,074,706.12/19,343.81
  6. Step 6: Final answer
    x = 15,719.48

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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.