Home / 17,511.02-26,251.60-7,642.92

Finding the Fourth Proportional to 17,511.02, 26,251.60 and 7,642.92

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Solution

The fourth proportional to 17,511.02, 26,251.60 and 7,642.92 is: 11,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.02 : 26,251.60 = 7,642.92 : x
  2. Step 2: Convert to fraction form
    17,511.02/26,251.60 = 7,642.92/x
  3. Step 3: Cross multiply
    17,511.02x = 26,251.60 × 7,642.92
  4. Step 4: Simplify right side
    17,511.02x = 200,638,878.67
  5. Step 5: Solve for x
    x = 200,638,878.67/17,511.02
  6. Step 6: Final answer
    x = 11,457.86

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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.