Home / 19,057.68-28,560.60-14,145.84

Finding the Fourth Proportional to 19,057.68, 28,560.60 and 14,145.84

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Solution

The fourth proportional to 19,057.68, 28,560.60 and 14,145.84 is: 21,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.68 : 28,560.60 = 14,145.84 : x
  2. Step 2: Convert to fraction form
    19,057.68/28,560.60 = 14,145.84/x
  3. Step 3: Cross multiply
    19,057.68x = 28,560.60 × 14,145.84
  4. Step 4: Simplify right side
    19,057.68x = 404,013,677.90
  5. Step 5: Solve for x
    x = 404,013,677.90/19,057.68
  6. Step 6: Final answer
    x = 21,199.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.