Home / 18,567.10-25,589.10-13,523.32

Finding the Fourth Proportional to 18,567.10, 25,589.10 and 13,523.32

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Solution

The fourth proportional to 18,567.10, 25,589.10 and 13,523.32 is: 18,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.10 : 25,589.10 = 13,523.32 : x
  2. Step 2: Convert to fraction form
    18,567.10/25,589.10 = 13,523.32/x
  3. Step 3: Cross multiply
    18,567.10x = 25,589.10 × 13,523.32
  4. Step 4: Simplify right side
    18,567.10x = 346,049,587.81
  5. Step 5: Solve for x
    x = 346,049,587.81/18,567.10
  6. Step 6: Final answer
    x = 18,637.78

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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.