Home / 14,088.30-19,439.82-7,800.66

Finding the Fourth Proportional to 14,088.30, 19,439.82 and 7,800.66

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Solution

The fourth proportional to 14,088.30, 19,439.82 and 7,800.66 is: 10,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.30 : 19,439.82 = 7,800.66 : x
  2. Step 2: Convert to fraction form
    14,088.30/19,439.82 = 7,800.66/x
  3. Step 3: Cross multiply
    14,088.30x = 19,439.82 × 7,800.66
  4. Step 4: Simplify right side
    14,088.30x = 151,643,426.28
  5. Step 5: Solve for x
    x = 151,643,426.28/14,088.30
  6. Step 6: Final answer
    x = 10,763.78

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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.