Home / 13,836.35-19,094.07-7,868.01

Finding the Fourth Proportional to 13,836.35, 19,094.07 and 7,868.01

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Solution

The fourth proportional to 13,836.35, 19,094.07 and 7,868.01 is: 10,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.35 : 19,094.07 = 7,868.01 : x
  2. Step 2: Convert to fraction form
    13,836.35/19,094.07 = 7,868.01/x
  3. Step 3: Cross multiply
    13,836.35x = 19,094.07 × 7,868.01
  4. Step 4: Simplify right side
    13,836.35x = 150,232,333.70
  5. Step 5: Solve for x
    x = 150,232,333.70/13,836.35
  6. Step 6: Final answer
    x = 10,857.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.