Home / 14,717.31-20,309.74-10,957.29

Finding the Fourth Proportional to 14,717.31, 20,309.74 and 10,957.29

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Solution

The fourth proportional to 14,717.31, 20,309.74 and 10,957.29 is: 15,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.31 : 20,309.74 = 10,957.29 : x
  2. Step 2: Convert to fraction form
    14,717.31/20,309.74 = 10,957.29/x
  3. Step 3: Cross multiply
    14,717.31x = 20,309.74 × 10,957.29
  4. Step 4: Simplify right side
    14,717.31x = 222,539,656.22
  5. Step 5: Solve for x
    x = 222,539,656.22/14,717.31
  6. Step 6: Final answer
    x = 15,120.95

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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.