Home / 18,530.04-25,570.96-10,572.12

Finding the Fourth Proportional to 18,530.04, 25,570.96 and 10,572.12

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Solution

The fourth proportional to 18,530.04, 25,570.96 and 10,572.12 is: 14,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.04 : 25,570.96 = 10,572.12 : x
  2. Step 2: Convert to fraction form
    18,530.04/25,570.96 = 10,572.12/x
  3. Step 3: Cross multiply
    18,530.04x = 25,570.96 × 10,572.12
  4. Step 4: Simplify right side
    18,530.04x = 270,339,257.64
  5. Step 5: Solve for x
    x = 270,339,257.64/18,530.04
  6. Step 6: Final answer
    x = 14,589.24

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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.