Home / 13,329.16-18,392.67-7,360.47

Finding the Fourth Proportional to 13,329.16, 18,392.67 and 7,360.47

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Solution

The fourth proportional to 13,329.16, 18,392.67 and 7,360.47 is: 10,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.16 : 18,392.67 = 7,360.47 : x
  2. Step 2: Convert to fraction form
    13,329.16/18,392.67 = 7,360.47/x
  3. Step 3: Cross multiply
    13,329.16x = 18,392.67 × 7,360.47
  4. Step 4: Simplify right side
    13,329.16x = 135,378,695.75
  5. Step 5: Solve for x
    x = 135,378,695.75/13,329.16
  6. Step 6: Final answer
    x = 10,156.58

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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.