Home / 18,833.97-25,995.58-10,880.81

Finding the Fourth Proportional to 18,833.97, 25,995.58 and 10,880.81

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Solution

The fourth proportional to 18,833.97, 25,995.58 and 10,880.81 is: 15,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.97 : 25,995.58 = 10,880.81 : x
  2. Step 2: Convert to fraction form
    18,833.97/25,995.58 = 10,880.81/x
  3. Step 3: Cross multiply
    18,833.97x = 25,995.58 × 10,880.81
  4. Step 4: Simplify right side
    18,833.97x = 282,852,966.82
  5. Step 5: Solve for x
    x = 282,852,966.82/18,833.97
  6. Step 6: Final answer
    x = 15,018.23

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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.