Home / 13,897.68-20,846.76-4,537.80

Finding the Fourth Proportional to 13,897.68, 20,846.76 and 4,537.80

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Solution

The fourth proportional to 13,897.68, 20,846.76 and 4,537.80 is: 6,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.68 : 20,846.76 = 4,537.80 : x
  2. Step 2: Convert to fraction form
    13,897.68/20,846.76 = 4,537.80/x
  3. Step 3: Cross multiply
    13,897.68x = 20,846.76 × 4,537.80
  4. Step 4: Simplify right side
    13,897.68x = 94,598,427.53
  5. Step 5: Solve for x
    x = 94,598,427.53/13,897.68
  6. Step 6: Final answer
    x = 6,806.78

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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.