Home / 19,476.19-26,882.64-11,521.18

Finding the Fourth Proportional to 19,476.19, 26,882.64 and 11,521.18

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Solution

The fourth proportional to 19,476.19, 26,882.64 and 11,521.18 is: 15,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.19 : 26,882.64 = 11,521.18 : x
  2. Step 2: Convert to fraction form
    19,476.19/26,882.64 = 11,521.18/x
  3. Step 3: Cross multiply
    19,476.19x = 26,882.64 × 11,521.18
  4. Step 4: Simplify right side
    19,476.19x = 309,719,599.90
  5. Step 5: Solve for x
    x = 309,719,599.90/19,476.19
  6. Step 6: Final answer
    x = 15,902.48

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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.