Home / 19,689.62-27,172.26-10,737.63

Finding the Fourth Proportional to 19,689.62, 27,172.26 and 10,737.63

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Solution

The fourth proportional to 19,689.62, 27,172.26 and 10,737.63 is: 14,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.62 : 27,172.26 = 10,737.63 : x
  2. Step 2: Convert to fraction form
    19,689.62/27,172.26 = 10,737.63/x
  3. Step 3: Cross multiply
    19,689.62x = 27,172.26 × 10,737.63
  4. Step 4: Simplify right side
    19,689.62x = 291,765,674.14
  5. Step 5: Solve for x
    x = 291,765,674.14/19,689.62
  6. Step 6: Final answer
    x = 14,818.25

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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.