Home / 23,151.31-34,690.48-17,899.13

Finding the Fourth Proportional to 23,151.31, 34,690.48 and 17,899.13

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Solution

The fourth proportional to 23,151.31, 34,690.48 and 17,899.13 is: 26,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.31 : 34,690.48 = 17,899.13 : x
  2. Step 2: Convert to fraction form
    23,151.31/34,690.48 = 17,899.13/x
  3. Step 3: Cross multiply
    23,151.31x = 34,690.48 × 17,899.13
  4. Step 4: Simplify right side
    23,151.31x = 620,929,411.28
  5. Step 5: Solve for x
    x = 620,929,411.28/23,151.31
  6. Step 6: Final answer
    x = 26,820.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.