Home / 13,537.52-20,303.48-5,214.68

Finding the Fourth Proportional to 13,537.52, 20,303.48 and 5,214.68

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Solution

The fourth proportional to 13,537.52, 20,303.48 and 5,214.68 is: 7,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.52 : 20,303.48 = 5,214.68 : x
  2. Step 2: Convert to fraction form
    13,537.52/20,303.48 = 5,214.68/x
  3. Step 3: Cross multiply
    13,537.52x = 20,303.48 × 5,214.68
  4. Step 4: Simplify right side
    13,537.52x = 105,876,151.09
  5. Step 5: Solve for x
    x = 105,876,151.09/13,537.52
  6. Step 6: Final answer
    x = 7,820.94

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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.