Home / 19,690.07-27,172.80-10,737.54

Finding the Fourth Proportional to 19,690.07, 27,172.80 and 10,737.54

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Solution

The fourth proportional to 19,690.07, 27,172.80 and 10,737.54 is: 14,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.07 : 27,172.80 = 10,737.54 : x
  2. Step 2: Convert to fraction form
    19,690.07/27,172.80 = 10,737.54/x
  3. Step 3: Cross multiply
    19,690.07x = 27,172.80 × 10,737.54
  4. Step 4: Simplify right side
    19,690.07x = 291,769,026.91
  5. Step 5: Solve for x
    x = 291,769,026.91/19,690.07
  6. Step 6: Final answer
    x = 14,818.08

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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.