Home / 19,142.10-26,428.98-17,119.22

Finding the Fourth Proportional to 19,142.10, 26,428.98 and 17,119.22

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Solution

The fourth proportional to 19,142.10, 26,428.98 and 17,119.22 is: 23,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.10 : 26,428.98 = 17,119.22 : x
  2. Step 2: Convert to fraction form
    19,142.10/26,428.98 = 17,119.22/x
  3. Step 3: Cross multiply
    19,142.10x = 26,428.98 × 17,119.22
  4. Step 4: Simplify right side
    19,142.10x = 452,443,390.85
  5. Step 5: Solve for x
    x = 452,443,390.85/19,142.10
  6. Step 6: Final answer
    x = 23,636.04

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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.