Home / 29,253.94-40,370.54-15,825.25

Finding the Fourth Proportional to 29,253.94, 40,370.54 and 15,825.25

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Solution

The fourth proportional to 29,253.94, 40,370.54 and 15,825.25 is: 21,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,253.94 : 40,370.54 = 15,825.25 : x
  2. Step 2: Convert to fraction form
    29,253.94/40,370.54 = 15,825.25/x
  3. Step 3: Cross multiply
    29,253.94x = 40,370.54 × 15,825.25
  4. Step 4: Simplify right side
    29,253.94x = 638,873,859.47
  5. Step 5: Solve for x
    x = 638,873,859.47/29,253.94
  6. Step 6: Final answer
    x = 21,838.90

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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.