Home / 19,539.69-26,963.13-11,472.49

Finding the Fourth Proportional to 19,539.69, 26,963.13 and 11,472.49

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Solution

The fourth proportional to 19,539.69, 26,963.13 and 11,472.49 is: 15,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.69 : 26,963.13 = 11,472.49 : x
  2. Step 2: Convert to fraction form
    19,539.69/26,963.13 = 11,472.49/x
  3. Step 3: Cross multiply
    19,539.69x = 26,963.13 × 11,472.49
  4. Step 4: Simplify right side
    19,539.69x = 309,334,239.29
  5. Step 5: Solve for x
    x = 309,334,239.29/19,539.69
  6. Step 6: Final answer
    x = 15,831.07

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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.