Home / 21,224.79-29,260.93-16,932.45

Finding the Fourth Proportional to 21,224.79, 29,260.93 and 16,932.45

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Solution

The fourth proportional to 21,224.79, 29,260.93 and 16,932.45 is: 23,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.79 : 29,260.93 = 16,932.45 : x
  2. Step 2: Convert to fraction form
    21,224.79/29,260.93 = 16,932.45/x
  3. Step 3: Cross multiply
    21,224.79x = 29,260.93 × 16,932.45
  4. Step 4: Simplify right side
    21,224.79x = 495,459,234.18
  5. Step 5: Solve for x
    x = 495,459,234.18/21,224.79
  6. Step 6: Final answer
    x = 23,343.42

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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.