Home / 13,548.36-18,697.32-7,580.04

Finding the Fourth Proportional to 13,548.36, 18,697.32 and 7,580.04

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Solution

The fourth proportional to 13,548.36, 18,697.32 and 7,580.04 is: 10,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.36 : 18,697.32 = 7,580.04 : x
  2. Step 2: Convert to fraction form
    13,548.36/18,697.32 = 7,580.04/x
  3. Step 3: Cross multiply
    13,548.36x = 18,697.32 × 7,580.04
  4. Step 4: Simplify right side
    13,548.36x = 141,726,433.49
  5. Step 5: Solve for x
    x = 141,726,433.49/13,548.36
  6. Step 6: Final answer
    x = 10,460.78

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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.