Home / 19,305.68-26,639.88-10,807.25

Finding the Fourth Proportional to 19,305.68, 26,639.88 and 10,807.25

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Solution

The fourth proportional to 19,305.68, 26,639.88 and 10,807.25 is: 14,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.68 : 26,639.88 = 10,807.25 : x
  2. Step 2: Convert to fraction form
    19,305.68/26,639.88 = 10,807.25/x
  3. Step 3: Cross multiply
    19,305.68x = 26,639.88 × 10,807.25
  4. Step 4: Simplify right side
    19,305.68x = 287,903,709.93
  5. Step 5: Solve for x
    x = 287,903,709.93/19,305.68
  6. Step 6: Final answer
    x = 14,912.91

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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.