Home / 13,301.95-18,356.81-7,333.85

Finding the Fourth Proportional to 13,301.95, 18,356.81 and 7,333.85

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Solution

The fourth proportional to 13,301.95, 18,356.81 and 7,333.85 is: 10,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.95 : 18,356.81 = 7,333.85 : x
  2. Step 2: Convert to fraction form
    13,301.95/18,356.81 = 7,333.85/x
  3. Step 3: Cross multiply
    13,301.95x = 18,356.81 × 7,333.85
  4. Step 4: Simplify right side
    13,301.95x = 134,626,054.35
  5. Step 5: Solve for x
    x = 134,626,054.35/13,301.95
  6. Step 6: Final answer
    x = 10,120.78

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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.