Home / 18,594.18-25,642.37-12,209.51

Finding the Fourth Proportional to 18,594.18, 25,642.37 and 12,209.51

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Solution

The fourth proportional to 18,594.18, 25,642.37 and 12,209.51 is: 16,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.18 : 25,642.37 = 12,209.51 : x
  2. Step 2: Convert to fraction form
    18,594.18/25,642.37 = 12,209.51/x
  3. Step 3: Cross multiply
    18,594.18x = 25,642.37 × 12,209.51
  4. Step 4: Simplify right side
    18,594.18x = 313,080,867.57
  5. Step 5: Solve for x
    x = 313,080,867.57/18,594.18
  6. Step 6: Final answer
    x = 16,837.57

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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.