Home / 27,179.68-37,518.64-18,223.92

Finding the Fourth Proportional to 27,179.68, 37,518.64 and 18,223.92

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Solution

The fourth proportional to 27,179.68, 37,518.64 and 18,223.92 is: 25,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.68 : 37,518.64 = 18,223.92 : x
  2. Step 2: Convert to fraction form
    27,179.68/37,518.64 = 18,223.92/x
  3. Step 3: Cross multiply
    27,179.68x = 37,518.64 × 18,223.92
  4. Step 4: Simplify right side
    27,179.68x = 683,736,693.87
  5. Step 5: Solve for x
    x = 683,736,693.87/27,179.68
  6. Step 6: Final answer
    x = 25,156.17

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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.