Home / 13,573.53-18,740.63-8,476.83

Finding the Fourth Proportional to 13,573.53, 18,740.63 and 8,476.83

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Solution

The fourth proportional to 13,573.53, 18,740.63 and 8,476.83 is: 11,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.53 : 18,740.63 = 8,476.83 : x
  2. Step 2: Convert to fraction form
    13,573.53/18,740.63 = 8,476.83/x
  3. Step 3: Cross multiply
    13,573.53x = 18,740.63 × 8,476.83
  4. Step 4: Simplify right side
    13,573.53x = 158,861,092.22
  5. Step 5: Solve for x
    x = 158,861,092.22/13,573.53
  6. Step 6: Final answer
    x = 11,703.74

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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.