Home / 21,425.69-29,598.24-17,113.11

Finding the Fourth Proportional to 21,425.69, 29,598.24 and 17,113.11

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Solution

The fourth proportional to 21,425.69, 29,598.24 and 17,113.11 is: 23,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.69 : 29,598.24 = 17,113.11 : x
  2. Step 2: Convert to fraction form
    21,425.69/29,598.24 = 17,113.11/x
  3. Step 3: Cross multiply
    21,425.69x = 29,598.24 × 17,113.11
  4. Step 4: Simplify right side
    21,425.69x = 506,517,936.93
  5. Step 5: Solve for x
    x = 506,517,936.93/21,425.69
  6. Step 6: Final answer
    x = 23,640.69

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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.