Home / 29,415.52-40,592.32-15,986.49

Finding the Fourth Proportional to 29,415.52, 40,592.32 and 15,986.49

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Solution

The fourth proportional to 29,415.52, 40,592.32 and 15,986.49 is: 22,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.52 : 40,592.32 = 15,986.49 : x
  2. Step 2: Convert to fraction form
    29,415.52/40,592.32 = 15,986.49/x
  3. Step 3: Cross multiply
    29,415.52x = 40,592.32 × 15,986.49
  4. Step 4: Simplify right side
    29,415.52x = 648,928,717.76
  5. Step 5: Solve for x
    x = 648,928,717.76/29,415.52
  6. Step 6: Final answer
    x = 22,060.76

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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.