Home / 19,332.36-29,007.86-9,972.81

Finding the Fourth Proportional to 19,332.36, 29,007.86 and 9,972.81

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Solution

The fourth proportional to 19,332.36, 29,007.86 and 9,972.81 is: 14,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.36 : 29,007.86 = 9,972.81 : x
  2. Step 2: Convert to fraction form
    19,332.36/29,007.86 = 9,972.81/x
  3. Step 3: Cross multiply
    19,332.36x = 29,007.86 × 9,972.81
  4. Step 4: Simplify right side
    19,332.36x = 289,289,826.42
  5. Step 5: Solve for x
    x = 289,289,826.42/19,332.36
  6. Step 6: Final answer
    x = 14,964.02

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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.