Home / 14,272.53-19,693.79-8,963.60

Finding the Fourth Proportional to 14,272.53, 19,693.79 and 8,963.60

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Solution

The fourth proportional to 14,272.53, 19,693.79 and 8,963.60 is: 12,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.53 : 19,693.79 = 8,963.60 : x
  2. Step 2: Convert to fraction form
    14,272.53/19,693.79 = 8,963.60/x
  3. Step 3: Cross multiply
    14,272.53x = 19,693.79 × 8,963.60
  4. Step 4: Simplify right side
    14,272.53x = 176,527,112.76
  5. Step 5: Solve for x
    x = 176,527,112.76/14,272.53
  6. Step 6: Final answer
    x = 12,368.31

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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.