Home / 19,906.09-27,470.96-10,953.52

Finding the Fourth Proportional to 19,906.09, 27,470.96 and 10,953.52

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Solution

The fourth proportional to 19,906.09, 27,470.96 and 10,953.52 is: 15,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.09 : 27,470.96 = 10,953.52 : x
  2. Step 2: Convert to fraction form
    19,906.09/27,470.96 = 10,953.52/x
  3. Step 3: Cross multiply
    19,906.09x = 27,470.96 × 10,953.52
  4. Step 4: Simplify right side
    19,906.09x = 300,903,627.41
  5. Step 5: Solve for x
    x = 300,903,627.41/19,906.09
  6. Step 6: Final answer
    x = 15,116.16

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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.