Home / 22,587.48-31,168.62-13,636.44

Finding the Fourth Proportional to 22,587.48, 31,168.62 and 13,636.44

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Solution

The fourth proportional to 22,587.48, 31,168.62 and 13,636.44 is: 18,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,587.48 : 31,168.62 = 13,636.44 : x
  2. Step 2: Convert to fraction form
    22,587.48/31,168.62 = 13,636.44/x
  3. Step 3: Cross multiply
    22,587.48x = 31,168.62 × 13,636.44
  4. Step 4: Simplify right side
    22,587.48x = 425,029,016.51
  5. Step 5: Solve for x
    x = 425,029,016.51/22,587.48
  6. Step 6: Final answer
    x = 18,817.02

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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.