Home / 19,894.10-27,455.18-11,825.62

Finding the Fourth Proportional to 19,894.10, 27,455.18 and 11,825.62

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Solution

The fourth proportional to 19,894.10, 27,455.18 and 11,825.62 is: 16,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.10 : 27,455.18 = 11,825.62 : x
  2. Step 2: Convert to fraction form
    19,894.10/27,455.18 = 11,825.62/x
  3. Step 3: Cross multiply
    19,894.10x = 27,455.18 × 11,825.62
  4. Step 4: Simplify right side
    19,894.10x = 324,674,525.71
  5. Step 5: Solve for x
    x = 324,674,525.71/19,894.10
  6. Step 6: Final answer
    x = 16,320.14

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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.