Home / 22,902.72-31,598.58-12,829.80

Finding the Fourth Proportional to 22,902.72, 31,598.58 and 12,829.80

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Solution

The fourth proportional to 22,902.72, 31,598.58 and 12,829.80 is: 17,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.72 : 31,598.58 = 12,829.80 : x
  2. Step 2: Convert to fraction form
    22,902.72/31,598.58 = 12,829.80/x
  3. Step 3: Cross multiply
    22,902.72x = 31,598.58 × 12,829.80
  4. Step 4: Simplify right side
    22,902.72x = 405,403,461.68
  5. Step 5: Solve for x
    x = 405,403,461.68/22,902.72
  6. Step 6: Final answer
    x = 17,701.11

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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.