Home / 18,500.98-25,529.38-10,947.63

Finding the Fourth Proportional to 18,500.98, 25,529.38 and 10,947.63

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Solution

The fourth proportional to 18,500.98, 25,529.38 and 10,947.63 is: 15,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.98 : 25,529.38 = 10,947.63 : x
  2. Step 2: Convert to fraction form
    18,500.98/25,529.38 = 10,947.63/x
  3. Step 3: Cross multiply
    18,500.98x = 25,529.38 × 10,947.63
  4. Step 4: Simplify right side
    18,500.98x = 279,486,206.37
  5. Step 5: Solve for x
    x = 279,486,206.37/18,500.98
  6. Step 6: Final answer
    x = 15,106.56

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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.