Home / 18,538.88-25,585.47-10,581.23

Finding the Fourth Proportional to 18,538.88, 25,585.47 and 10,581.23

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Solution

The fourth proportional to 18,538.88, 25,585.47 and 10,581.23 is: 14,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.88 : 25,585.47 = 10,581.23 : x
  2. Step 2: Convert to fraction form
    18,538.88/25,585.47 = 10,581.23/x
  3. Step 3: Cross multiply
    18,538.88x = 25,585.47 × 10,581.23
  4. Step 4: Simplify right side
    18,538.88x = 270,725,806.69
  5. Step 5: Solve for x
    x = 270,725,806.69/18,538.88
  6. Step 6: Final answer
    x = 14,603.14

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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.