Home / 15,072.10-22,622.10-7,682.06

Finding the Fourth Proportional to 15,072.10, 22,622.10 and 7,682.06

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Solution

The fourth proportional to 15,072.10, 22,622.10 and 7,682.06 is: 11,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.10 : 22,622.10 = 7,682.06 : x
  2. Step 2: Convert to fraction form
    15,072.10/22,622.10 = 7,682.06/x
  3. Step 3: Cross multiply
    15,072.10x = 22,622.10 × 7,682.06
  4. Step 4: Simplify right side
    15,072.10x = 173,784,386.08
  5. Step 5: Solve for x
    x = 173,784,386.08/15,072.10
  6. Step 6: Final answer
    x = 11,530.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.