Home / 13,302.77-18,357.81-7,334.54

Finding the Fourth Proportional to 13,302.77, 18,357.81 and 7,334.54

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Solution

The fourth proportional to 13,302.77, 18,357.81 and 7,334.54 is: 10,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.77 : 18,357.81 = 7,334.54 : x
  2. Step 2: Convert to fraction form
    13,302.77/18,357.81 = 7,334.54/x
  3. Step 3: Cross multiply
    13,302.77x = 18,357.81 × 7,334.54
  4. Step 4: Simplify right side
    13,302.77x = 134,646,091.76
  5. Step 5: Solve for x
    x = 134,646,091.76/13,302.77
  6. Step 6: Final answer
    x = 10,121.66

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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.