Home / 14,117.19-21,175.17-3,587.64

Finding the Fourth Proportional to 14,117.19, 21,175.17 and 3,587.64

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Solution

The fourth proportional to 14,117.19, 21,175.17 and 3,587.64 is: 5,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.19 : 21,175.17 = 3,587.64 : x
  2. Step 2: Convert to fraction form
    14,117.19/21,175.17 = 3,587.64/x
  3. Step 3: Cross multiply
    14,117.19x = 21,175.17 × 3,587.64
  4. Step 4: Simplify right side
    14,117.19x = 75,968,933.33
  5. Step 5: Solve for x
    x = 75,968,933.33/14,117.19
  6. Step 6: Final answer
    x = 5,381.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.