Home / 14,007.57-19,330.52-7,719.94

Finding the Fourth Proportional to 14,007.57, 19,330.52 and 7,719.94

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Solution

The fourth proportional to 14,007.57, 19,330.52 and 7,719.94 is: 10,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.57 : 19,330.52 = 7,719.94 : x
  2. Step 2: Convert to fraction form
    14,007.57/19,330.52 = 7,719.94/x
  3. Step 3: Cross multiply
    14,007.57x = 19,330.52 × 7,719.94
  4. Step 4: Simplify right side
    14,007.57x = 149,230,440.13
  5. Step 5: Solve for x
    x = 149,230,440.13/14,007.57
  6. Step 6: Final answer
    x = 10,653.56

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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.