Home / 34,654.09-47,822.61-18,738.50

Finding the Fourth Proportional to 34,654.09, 47,822.61 and 18,738.50

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Solution

The fourth proportional to 34,654.09, 47,822.61 and 18,738.50 is: 25,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,654.09 : 47,822.61 = 18,738.50 : x
  2. Step 2: Convert to fraction form
    34,654.09/47,822.61 = 18,738.50/x
  3. Step 3: Cross multiply
    34,654.09x = 47,822.61 × 18,738.50
  4. Step 4: Simplify right side
    34,654.09x = 896,123,977.49
  5. Step 5: Solve for x
    x = 896,123,977.49/34,654.09
  6. Step 6: Final answer
    x = 25,859.11

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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.