Home / 19,690.35-27,172.35-10,737.87

Finding the Fourth Proportional to 19,690.35, 27,172.35 and 10,737.87

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Solution

The fourth proportional to 19,690.35, 27,172.35 and 10,737.87 is: 14,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.35 : 27,172.35 = 10,737.87 : x
  2. Step 2: Convert to fraction form
    19,690.35/27,172.35 = 10,737.87/x
  3. Step 3: Cross multiply
    19,690.35x = 27,172.35 × 10,737.87
  4. Step 4: Simplify right side
    19,690.35x = 291,773,161.89
  5. Step 5: Solve for x
    x = 291,773,161.89/19,690.35
  6. Step 6: Final answer
    x = 14,818.08

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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.