Home / 13,062.91-18,021.73-7,396.35

Finding the Fourth Proportional to 13,062.91, 18,021.73 and 7,396.35

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Solution

The fourth proportional to 13,062.91, 18,021.73 and 7,396.35 is: 10,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.91 : 18,021.73 = 7,396.35 : x
  2. Step 2: Convert to fraction form
    13,062.91/18,021.73 = 7,396.35/x
  3. Step 3: Cross multiply
    13,062.91x = 18,021.73 × 7,396.35
  4. Step 4: Simplify right side
    13,062.91x = 133,294,985.70
  5. Step 5: Solve for x
    x = 133,294,985.70/13,062.91
  6. Step 6: Final answer
    x = 10,204.08

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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.