Home / 13,584.76-18,746.58-8,277.64

Finding the Fourth Proportional to 13,584.76, 18,746.58 and 8,277.64

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Solution

The fourth proportional to 13,584.76, 18,746.58 and 8,277.64 is: 11,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.76 : 18,746.58 = 8,277.64 : x
  2. Step 2: Convert to fraction form
    13,584.76/18,746.58 = 8,277.64/x
  3. Step 3: Cross multiply
    13,584.76x = 18,746.58 × 8,277.64
  4. Step 4: Simplify right side
    13,584.76x = 155,177,440.47
  5. Step 5: Solve for x
    x = 155,177,440.47/13,584.76
  6. Step 6: Final answer
    x = 11,422.91

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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.