Home / 18,669.95-25,764.14-10,171.98

Finding the Fourth Proportional to 18,669.95, 25,764.14 and 10,171.98

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Solution

The fourth proportional to 18,669.95, 25,764.14 and 10,171.98 is: 14,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.95 : 25,764.14 = 10,171.98 : x
  2. Step 2: Convert to fraction form
    18,669.95/25,764.14 = 10,171.98/x
  3. Step 3: Cross multiply
    18,669.95x = 25,764.14 × 10,171.98
  4. Step 4: Simplify right side
    18,669.95x = 262,072,265.94
  5. Step 5: Solve for x
    x = 262,072,265.94/18,669.95
  6. Step 6: Final answer
    x = 14,037.12

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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.