Home / 13,452.84-20,172.96-4,686.66

Finding the Fourth Proportional to 13,452.84, 20,172.96 and 4,686.66

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Solution

The fourth proportional to 13,452.84, 20,172.96 and 4,686.66 is: 7,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.84 : 20,172.96 = 4,686.66 : x
  2. Step 2: Convert to fraction form
    13,452.84/20,172.96 = 4,686.66/x
  3. Step 3: Cross multiply
    13,452.84x = 20,172.96 × 4,686.66
  4. Step 4: Simplify right side
    13,452.84x = 94,543,804.71
  5. Step 5: Solve for x
    x = 94,543,804.71/13,452.84
  6. Step 6: Final answer
    x = 7,027.80

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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.