Home / 18,553.02-25,603.50-10,168.98

Finding the Fourth Proportional to 18,553.02, 25,603.50 and 10,168.98

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Solution

The fourth proportional to 18,553.02, 25,603.50 and 10,168.98 is: 14,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.02 : 25,603.50 = 10,168.98 : x
  2. Step 2: Convert to fraction form
    18,553.02/25,603.50 = 10,168.98/x
  3. Step 3: Cross multiply
    18,553.02x = 25,603.50 × 10,168.98
  4. Step 4: Simplify right side
    18,553.02x = 260,361,479.43
  5. Step 5: Solve for x
    x = 260,361,479.43/18,553.02
  6. Step 6: Final answer
    x = 14,033.37

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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.