Home / 13,772.53-19,004.45-8,106.02

Finding the Fourth Proportional to 13,772.53, 19,004.45 and 8,106.02

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Solution

The fourth proportional to 13,772.53, 19,004.45 and 8,106.02 is: 11,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.53 : 19,004.45 = 8,106.02 : x
  2. Step 2: Convert to fraction form
    13,772.53/19,004.45 = 8,106.02/x
  3. Step 3: Cross multiply
    13,772.53x = 19,004.45 × 8,106.02
  4. Step 4: Simplify right side
    13,772.53x = 154,050,451.79
  5. Step 5: Solve for x
    x = 154,050,451.79/13,772.53
  6. Step 6: Final answer
    x = 11,185.35

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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.