Home / 52,586.97-78,880.66-13,144.13

Finding the Fourth Proportional to 52,586.97, 78,880.66 and 13,144.13

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Solution

The fourth proportional to 52,586.97, 78,880.66 and 13,144.13 is: 19,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,586.97 : 78,880.66 = 13,144.13 : x
  2. Step 2: Convert to fraction form
    52,586.97/78,880.66 = 13,144.13/x
  3. Step 3: Cross multiply
    52,586.97x = 78,880.66 × 13,144.13
  4. Step 4: Simplify right side
    52,586.97x = 1,036,817,649.53
  5. Step 5: Solve for x
    x = 1,036,817,649.53/52,586.97
  6. Step 6: Final answer
    x = 19,716.25

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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.