Home / 17,611.12-26,381.50-10,587.34

Finding the Fourth Proportional to 17,611.12, 26,381.50 and 10,587.34

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Solution

The fourth proportional to 17,611.12, 26,381.50 and 10,587.34 is: 15,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.12 : 26,381.50 = 10,587.34 : x
  2. Step 2: Convert to fraction form
    17,611.12/26,381.50 = 10,587.34/x
  3. Step 3: Cross multiply
    17,611.12x = 26,381.50 × 10,587.34
  4. Step 4: Simplify right side
    17,611.12x = 279,309,916.72
  5. Step 5: Solve for x
    x = 279,309,916.72/17,611.12
  6. Step 6: Final answer
    x = 15,859.86

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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.