Home / 18,538.35-25,584.71-10,581.18

Finding the Fourth Proportional to 18,538.35, 25,584.71 and 10,581.18

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Solution

The fourth proportional to 18,538.35, 25,584.71 and 10,581.18 is: 14,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.35 : 25,584.71 = 10,581.18 : x
  2. Step 2: Convert to fraction form
    18,538.35/25,584.71 = 10,581.18/x
  3. Step 3: Cross multiply
    18,538.35x = 25,584.71 × 10,581.18
  4. Step 4: Simplify right side
    18,538.35x = 270,716,368.85
  5. Step 5: Solve for x
    x = 270,716,368.85/18,538.35
  6. Step 6: Final answer
    x = 14,603.05

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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.