Home / 13,583.52-20,364.84-5,262.30

Finding the Fourth Proportional to 13,583.52, 20,364.84 and 5,262.30

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Solution

The fourth proportional to 13,583.52, 20,364.84 and 5,262.30 is: 7,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.52 : 20,364.84 = 5,262.30 : x
  2. Step 2: Convert to fraction form
    13,583.52/20,364.84 = 5,262.30/x
  3. Step 3: Cross multiply
    13,583.52x = 20,364.84 × 5,262.30
  4. Step 4: Simplify right side
    13,583.52x = 107,165,897.53
  5. Step 5: Solve for x
    x = 107,165,897.53/13,583.52
  6. Step 6: Final answer
    x = 7,889.41

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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.