Home / 21,948.66-30,253.68-17,160.12

Finding the Fourth Proportional to 21,948.66, 30,253.68 and 17,160.12

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Solution

The fourth proportional to 21,948.66, 30,253.68 and 17,160.12 is: 23,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.66 : 30,253.68 = 17,160.12 : x
  2. Step 2: Convert to fraction form
    21,948.66/30,253.68 = 17,160.12/x
  3. Step 3: Cross multiply
    21,948.66x = 30,253.68 × 17,160.12
  4. Step 4: Simplify right side
    21,948.66x = 519,156,779.24
  5. Step 5: Solve for x
    x = 519,156,779.24/21,948.66
  6. Step 6: Final answer
    x = 23,653.23

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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.