Home / 13,595.67-20,394.72-5,275.49

Finding the Fourth Proportional to 13,595.67, 20,394.72 and 5,275.49

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Solution

The fourth proportional to 13,595.67, 20,394.72 and 5,275.49 is: 7,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.67 : 20,394.72 = 5,275.49 : x
  2. Step 2: Convert to fraction form
    13,595.67/20,394.72 = 5,275.49/x
  3. Step 3: Cross multiply
    13,595.67x = 20,394.72 × 5,275.49
  4. Step 4: Simplify right side
    13,595.67x = 107,592,039.44
  5. Step 5: Solve for x
    x = 107,592,039.44/13,595.67
  6. Step 6: Final answer
    x = 7,913.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.