Home / 21,792.54-29,864.22-19,693.02

Finding the Fourth Proportional to 21,792.54, 29,864.22 and 19,693.02

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Solution

The fourth proportional to 21,792.54, 29,864.22 and 19,693.02 is: 26,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.54 : 29,864.22 = 19,693.02 : x
  2. Step 2: Convert to fraction form
    21,792.54/29,864.22 = 19,693.02/x
  3. Step 3: Cross multiply
    21,792.54x = 29,864.22 × 19,693.02
  4. Step 4: Simplify right side
    21,792.54x = 588,116,681.74
  5. Step 5: Solve for x
    x = 588,116,681.74/21,792.54
  6. Step 6: Final answer
    x = 26,987.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.