Home / 14,184.74-19,573.26-8,215.60

Finding the Fourth Proportional to 14,184.74, 19,573.26 and 8,215.60

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Solution

The fourth proportional to 14,184.74, 19,573.26 and 8,215.60 is: 11,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.74 : 19,573.26 = 8,215.60 : x
  2. Step 2: Convert to fraction form
    14,184.74/19,573.26 = 8,215.60/x
  3. Step 3: Cross multiply
    14,184.74x = 19,573.26 × 8,215.60
  4. Step 4: Simplify right side
    14,184.74x = 160,806,074.86
  5. Step 5: Solve for x
    x = 160,806,074.86/14,184.74
  6. Step 6: Final answer
    x = 11,336.55

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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.