Home / 19,476.18-26,882.64-11,521.17

Finding the Fourth Proportional to 19,476.18, 26,882.64 and 11,521.17

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Solution

The fourth proportional to 19,476.18, 26,882.64 and 11,521.17 is: 15,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.18 : 26,882.64 = 11,521.17 : x
  2. Step 2: Convert to fraction form
    19,476.18/26,882.64 = 11,521.17/x
  3. Step 3: Cross multiply
    19,476.18x = 26,882.64 × 11,521.17
  4. Step 4: Simplify right side
    19,476.18x = 309,719,503.89
  5. Step 5: Solve for x
    x = 309,719,503.89/19,476.18
  6. Step 6: Final answer
    x = 15,902.47

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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.