Home / 19,737.30-27,236.31-10,783.02

Finding the Fourth Proportional to 19,737.30, 27,236.31 and 10,783.02

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Solution

The fourth proportional to 19,737.30, 27,236.31 and 10,783.02 is: 14,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.30 : 27,236.31 = 10,783.02 : x
  2. Step 2: Convert to fraction form
    19,737.30/27,236.31 = 10,783.02/x
  3. Step 3: Cross multiply
    19,737.30x = 27,236.31 × 10,783.02
  4. Step 4: Simplify right side
    19,737.30x = 293,689,675.46
  5. Step 5: Solve for x
    x = 293,689,675.46/19,737.30
  6. Step 6: Final answer
    x = 14,879.93

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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.