Home / 22,852.98-31,536.84-12,781.26

Finding the Fourth Proportional to 22,852.98, 31,536.84 and 12,781.26

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Solution

The fourth proportional to 22,852.98, 31,536.84 and 12,781.26 is: 17,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,852.98 : 31,536.84 = 12,781.26 : x
  2. Step 2: Convert to fraction form
    22,852.98/31,536.84 = 12,781.26/x
  3. Step 3: Cross multiply
    22,852.98x = 31,536.84 × 12,781.26
  4. Step 4: Simplify right side
    22,852.98x = 403,080,551.62
  5. Step 5: Solve for x
    x = 403,080,551.62/22,852.98
  6. Step 6: Final answer
    x = 17,637.99

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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.