Home / 22,817.22-31,487.49-12,746.64

Finding the Fourth Proportional to 22,817.22, 31,487.49 and 12,746.64

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Solution

The fourth proportional to 22,817.22, 31,487.49 and 12,746.64 is: 17,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,817.22 : 31,487.49 = 12,746.64 : x
  2. Step 2: Convert to fraction form
    22,817.22/31,487.49 = 12,746.64/x
  3. Step 3: Cross multiply
    22,817.22x = 31,487.49 × 12,746.64
  4. Step 4: Simplify right side
    22,817.22x = 401,359,699.53
  5. Step 5: Solve for x
    x = 401,359,699.53/22,817.22
  6. Step 6: Final answer
    x = 17,590.21

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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.