Home / 22,699.22-31,312.12-13,622.26

Finding the Fourth Proportional to 22,699.22, 31,312.12 and 13,622.26

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Solution

The fourth proportional to 22,699.22, 31,312.12 and 13,622.26 is: 18,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.22 : 31,312.12 = 13,622.26 : x
  2. Step 2: Convert to fraction form
    22,699.22/31,312.12 = 13,622.26/x
  3. Step 3: Cross multiply
    22,699.22x = 31,312.12 × 13,622.26
  4. Step 4: Simplify right side
    22,699.22x = 426,541,615.12
  5. Step 5: Solve for x
    x = 426,541,615.12/22,699.22
  6. Step 6: Final answer
    x = 18,791.03

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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.