Home / 19,737.77-27,237.63-10,785.32

Finding the Fourth Proportional to 19,737.77, 27,237.63 and 10,785.32

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Solution

The fourth proportional to 19,737.77, 27,237.63 and 10,785.32 is: 14,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.77 : 27,237.63 = 10,785.32 : x
  2. Step 2: Convert to fraction form
    19,737.77/27,237.63 = 10,785.32/x
  3. Step 3: Cross multiply
    19,737.77x = 27,237.63 × 10,785.32
  4. Step 4: Simplify right side
    19,737.77x = 293,766,555.59
  5. Step 5: Solve for x
    x = 293,766,555.59/19,737.77
  6. Step 6: Final answer
    x = 14,883.47

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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.