Home / 22,530.56-31,089.84-13,099.04

Finding the Fourth Proportional to 22,530.56, 31,089.84 and 13,099.04

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Solution

The fourth proportional to 22,530.56, 31,089.84 and 13,099.04 is: 18,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.56 : 31,089.84 = 13,099.04 : x
  2. Step 2: Convert to fraction form
    22,530.56/31,089.84 = 13,099.04/x
  3. Step 3: Cross multiply
    22,530.56x = 31,089.84 × 13,099.04
  4. Step 4: Simplify right side
    22,530.56x = 407,247,057.75
  5. Step 5: Solve for x
    x = 407,247,057.75/22,530.56
  6. Step 6: Final answer
    x = 18,075.32

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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.