Home / 19,750.16-27,257.12-11,792.32

Finding the Fourth Proportional to 19,750.16, 27,257.12 and 11,792.32

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Solution

The fourth proportional to 19,750.16, 27,257.12 and 11,792.32 is: 16,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.16 : 27,257.12 = 11,792.32 : x
  2. Step 2: Convert to fraction form
    19,750.16/27,257.12 = 11,792.32/x
  3. Step 3: Cross multiply
    19,750.16x = 27,257.12 × 11,792.32
  4. Step 4: Simplify right side
    19,750.16x = 321,424,681.32
  5. Step 5: Solve for x
    x = 321,424,681.32/19,750.16
  6. Step 6: Final answer
    x = 16,274.54

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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.