Home / 13,301.61-18,356.01-7,333.68

Finding the Fourth Proportional to 13,301.61, 18,356.01 and 7,333.68

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Solution

The fourth proportional to 13,301.61, 18,356.01 and 7,333.68 is: 10,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.61 : 18,356.01 = 7,333.68 : x
  2. Step 2: Convert to fraction form
    13,301.61/18,356.01 = 7,333.68/x
  3. Step 3: Cross multiply
    13,301.61x = 18,356.01 × 7,333.68
  4. Step 4: Simplify right side
    13,301.61x = 134,617,103.42
  5. Step 5: Solve for x
    x = 134,617,103.42/13,301.61
  6. Step 6: Final answer
    x = 10,120.36

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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.