Home / 18,356.04-25,320.06-16,003.80

Finding the Fourth Proportional to 18,356.04, 25,320.06 and 16,003.80

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Solution

The fourth proportional to 18,356.04, 25,320.06 and 16,003.80 is: 22,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.04 : 25,320.06 = 16,003.80 : x
  2. Step 2: Convert to fraction form
    18,356.04/25,320.06 = 16,003.80/x
  3. Step 3: Cross multiply
    18,356.04x = 25,320.06 × 16,003.80
  4. Step 4: Simplify right side
    18,356.04x = 405,217,176.23
  5. Step 5: Solve for x
    x = 405,217,176.23/18,356.04
  6. Step 6: Final answer
    x = 22,075.41

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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.