Home / 19,690.49-27,172.06-10,737.77

Finding the Fourth Proportional to 19,690.49, 27,172.06 and 10,737.77

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Solution

The fourth proportional to 19,690.49, 27,172.06 and 10,737.77 is: 14,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.49 : 27,172.06 = 10,737.77 : x
  2. Step 2: Convert to fraction form
    19,690.49/27,172.06 = 10,737.77/x
  3. Step 3: Cross multiply
    19,690.49x = 27,172.06 × 10,737.77
  4. Step 4: Simplify right side
    19,690.49x = 291,767,168.00
  5. Step 5: Solve for x
    x = 291,767,168.00/19,690.49
  6. Step 6: Final answer
    x = 14,817.67

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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.