Home / 18,075.13-24,940.13-11,356.86

Finding the Fourth Proportional to 18,075.13, 24,940.13 and 11,356.86

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Solution

The fourth proportional to 18,075.13, 24,940.13 and 11,356.86 is: 15,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.13 : 24,940.13 = 11,356.86 : x
  2. Step 2: Convert to fraction form
    18,075.13/24,940.13 = 11,356.86/x
  3. Step 3: Cross multiply
    18,075.13x = 24,940.13 × 11,356.86
  4. Step 4: Simplify right side
    18,075.13x = 283,241,508.01
  5. Step 5: Solve for x
    x = 283,241,508.01/18,075.13
  6. Step 6: Final answer
    x = 15,670.24

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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.