Home / 19,792.60-27,312.54-11,293.60

Finding the Fourth Proportional to 19,792.60, 27,312.54 and 11,293.60

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Solution

The fourth proportional to 19,792.60, 27,312.54 and 11,293.60 is: 15,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.60 : 27,312.54 = 11,293.60 : x
  2. Step 2: Convert to fraction form
    19,792.60/27,312.54 = 11,293.60/x
  3. Step 3: Cross multiply
    19,792.60x = 27,312.54 × 11,293.60
  4. Step 4: Simplify right side
    19,792.60x = 308,456,901.74
  5. Step 5: Solve for x
    x = 308,456,901.74/19,792.60
  6. Step 6: Final answer
    x = 15,584.46

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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.