Home / 14,261.52-19,680.39-7,973.76

Finding the Fourth Proportional to 14,261.52, 19,680.39 and 7,973.76

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Solution

The fourth proportional to 14,261.52, 19,680.39 and 7,973.76 is: 11,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.52 : 19,680.39 = 7,973.76 : x
  2. Step 2: Convert to fraction form
    14,261.52/19,680.39 = 7,973.76/x
  3. Step 3: Cross multiply
    14,261.52x = 19,680.39 × 7,973.76
  4. Step 4: Simplify right side
    14,261.52x = 156,926,706.57
  5. Step 5: Solve for x
    x = 156,926,706.57/14,261.52
  6. Step 6: Final answer
    x = 11,003.50

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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.