Home / 13,302.54-18,357.63-7,334.42

Finding the Fourth Proportional to 13,302.54, 18,357.63 and 7,334.42

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Solution

The fourth proportional to 13,302.54, 18,357.63 and 7,334.42 is: 10,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.54 : 18,357.63 = 7,334.42 : x
  2. Step 2: Convert to fraction form
    13,302.54/18,357.63 = 7,334.42/x
  3. Step 3: Cross multiply
    13,302.54x = 18,357.63 × 7,334.42
  4. Step 4: Simplify right side
    13,302.54x = 134,642,552.59
  5. Step 5: Solve for x
    x = 134,642,552.59/13,302.54
  6. Step 6: Final answer
    x = 10,121.57

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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.