Home / 13,332.63-18,397.78-8,544.12

Finding the Fourth Proportional to 13,332.63, 18,397.78 and 8,544.12

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Solution

The fourth proportional to 13,332.63, 18,397.78 and 8,544.12 is: 11,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.63 : 18,397.78 = 8,544.12 : x
  2. Step 2: Convert to fraction form
    13,332.63/18,397.78 = 8,544.12/x
  3. Step 3: Cross multiply
    13,332.63x = 18,397.78 × 8,544.12
  4. Step 4: Simplify right side
    13,332.63x = 157,192,797.76
  5. Step 5: Solve for x
    x = 157,192,797.76/13,332.63
  6. Step 6: Final answer
    x = 11,790.08

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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.