Home / 14,007.66-19,330.32-7,634.21

Finding the Fourth Proportional to 14,007.66, 19,330.32 and 7,634.21

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Solution

The fourth proportional to 14,007.66, 19,330.32 and 7,634.21 is: 10,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.66 : 19,330.32 = 7,634.21 : x
  2. Step 2: Convert to fraction form
    14,007.66/19,330.32 = 7,634.21/x
  3. Step 3: Cross multiply
    14,007.66x = 19,330.32 × 7,634.21
  4. Step 4: Simplify right side
    14,007.66x = 147,571,684.08
  5. Step 5: Solve for x
    x = 147,571,684.08/14,007.66
  6. Step 6: Final answer
    x = 10,535.07

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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.