Home / 33,915.04-50,887.68-13,140.16

Finding the Fourth Proportional to 33,915.04, 50,887.68 and 13,140.16

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Solution

The fourth proportional to 33,915.04, 50,887.68 and 13,140.16 is: 19,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.04 : 50,887.68 = 13,140.16 : x
  2. Step 2: Convert to fraction form
    33,915.04/50,887.68 = 13,140.16/x
  3. Step 3: Cross multiply
    33,915.04x = 50,887.68 × 13,140.16
  4. Step 4: Simplify right side
    33,915.04x = 668,672,257.23
  5. Step 5: Solve for x
    x = 668,672,257.23/33,915.04
  6. Step 6: Final answer
    x = 19,716.10

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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.