Home / 19,131.52-26,400.36-10,747.84

Finding the Fourth Proportional to 19,131.52, 26,400.36 and 10,747.84

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Solution

The fourth proportional to 19,131.52, 26,400.36 and 10,747.84 is: 14,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.52 : 26,400.36 = 10,747.84 : x
  2. Step 2: Convert to fraction form
    19,131.52/26,400.36 = 10,747.84/x
  3. Step 3: Cross multiply
    19,131.52x = 26,400.36 × 10,747.84
  4. Step 4: Simplify right side
    19,131.52x = 283,746,845.22
  5. Step 5: Solve for x
    x = 283,746,845.22/19,131.52
  6. Step 6: Final answer
    x = 14,831.38

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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.