Home / 19,933.73-27,509.81-10,981.24

Finding the Fourth Proportional to 19,933.73, 27,509.81 and 10,981.24

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Solution

The fourth proportional to 19,933.73, 27,509.81 and 10,981.24 is: 15,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.73 : 27,509.81 = 10,981.24 : x
  2. Step 2: Convert to fraction form
    19,933.73/27,509.81 = 10,981.24/x
  3. Step 3: Cross multiply
    19,933.73x = 27,509.81 × 10,981.24
  4. Step 4: Simplify right side
    19,933.73x = 302,091,825.96
  5. Step 5: Solve for x
    x = 302,091,825.96/19,933.73
  6. Step 6: Final answer
    x = 15,154.81

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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.