Home / 13,062.99-18,027.36-7,397.65

Finding the Fourth Proportional to 13,062.99, 18,027.36 and 7,397.65

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Solution

The fourth proportional to 13,062.99, 18,027.36 and 7,397.65 is: 10,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.99 : 18,027.36 = 7,397.65 : x
  2. Step 2: Convert to fraction form
    13,062.99/18,027.36 = 7,397.65/x
  3. Step 3: Cross multiply
    13,062.99x = 18,027.36 × 7,397.65
  4. Step 4: Simplify right side
    13,062.99x = 133,359,972.58
  5. Step 5: Solve for x
    x = 133,359,972.58/13,062.99
  6. Step 6: Final answer
    x = 10,208.99

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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.