Home / 18,390.02-25,377.99-10,006.52

Finding the Fourth Proportional to 18,390.02, 25,377.99 and 10,006.52

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Solution

The fourth proportional to 18,390.02, 25,377.99 and 10,006.52 is: 13,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.02 : 25,377.99 = 10,006.52 : x
  2. Step 2: Convert to fraction form
    18,390.02/25,377.99 = 10,006.52/x
  3. Step 3: Cross multiply
    18,390.02x = 25,377.99 × 10,006.52
  4. Step 4: Simplify right side
    18,390.02x = 253,945,364.49
  5. Step 5: Solve for x
    x = 253,945,364.49/18,390.02
  6. Step 6: Final answer
    x = 13,808.87

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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.