Home / 13,094.25-18,070.07-7,505.25

Finding the Fourth Proportional to 13,094.25, 18,070.07 and 7,505.25

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Solution

The fourth proportional to 13,094.25, 18,070.07 and 7,505.25 is: 10,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.25 : 18,070.07 = 7,505.25 : x
  2. Step 2: Convert to fraction form
    13,094.25/18,070.07 = 7,505.25/x
  3. Step 3: Cross multiply
    13,094.25x = 18,070.07 × 7,505.25
  4. Step 4: Simplify right side
    13,094.25x = 135,620,355.34
  5. Step 5: Solve for x
    x = 135,620,355.34/13,094.25
  6. Step 6: Final answer
    x = 10,357.25

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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.