Home / 14,008.05-19,330.85-7,634.70

Finding the Fourth Proportional to 14,008.05, 19,330.85 and 7,634.70

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Solution

The fourth proportional to 14,008.05, 19,330.85 and 7,634.70 is: 10,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.05 : 19,330.85 = 7,634.70 : x
  2. Step 2: Convert to fraction form
    14,008.05/19,330.85 = 7,634.70/x
  3. Step 3: Cross multiply
    14,008.05x = 19,330.85 × 7,634.70
  4. Step 4: Simplify right side
    14,008.05x = 147,585,205.21
  5. Step 5: Solve for x
    x = 147,585,205.21/14,008.05
  6. Step 6: Final answer
    x = 10,535.74

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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.