Home / 20,594.27-28,425.18-13,530.26

Finding the Fourth Proportional to 20,594.27, 28,425.18 and 13,530.26

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Solution

The fourth proportional to 20,594.27, 28,425.18 and 13,530.26 is: 18,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.27 : 28,425.18 = 13,530.26 : x
  2. Step 2: Convert to fraction form
    20,594.27/28,425.18 = 13,530.26/x
  3. Step 3: Cross multiply
    20,594.27x = 28,425.18 × 13,530.26
  4. Step 4: Simplify right side
    20,594.27x = 384,599,933.82
  5. Step 5: Solve for x
    x = 384,599,933.82/20,594.27
  6. Step 6: Final answer
    x = 18,675.10

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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.