Home / 13,064.24-18,027.72-7,397.36

Finding the Fourth Proportional to 13,064.24, 18,027.72 and 7,397.36

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Solution

The fourth proportional to 13,064.24, 18,027.72 and 7,397.36 is: 10,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.24 : 18,027.72 = 7,397.36 : x
  2. Step 2: Convert to fraction form
    13,064.24/18,027.72 = 7,397.36/x
  3. Step 3: Cross multiply
    13,064.24x = 18,027.72 × 7,397.36
  4. Step 4: Simplify right side
    13,064.24x = 133,357,534.82
  5. Step 5: Solve for x
    x = 133,357,534.82/13,064.24
  6. Step 6: Final answer
    x = 10,207.83

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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.