Home / 19,737.93-27,237.75-11,785.47

Finding the Fourth Proportional to 19,737.93, 27,237.75 and 11,785.47

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Solution

The fourth proportional to 19,737.93, 27,237.75 and 11,785.47 is: 16,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.93 : 27,237.75 = 11,785.47 : x
  2. Step 2: Convert to fraction form
    19,737.93/27,237.75 = 11,785.47/x
  3. Step 3: Cross multiply
    19,737.93x = 27,237.75 × 11,785.47
  4. Step 4: Simplify right side
    19,737.93x = 321,009,685.49
  5. Step 5: Solve for x
    x = 321,009,685.49/19,737.93
  6. Step 6: Final answer
    x = 16,263.59

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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.