Home / 14,602.29-21,910.35-8,690.87

Finding the Fourth Proportional to 14,602.29, 21,910.35 and 8,690.87

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Solution

The fourth proportional to 14,602.29, 21,910.35 and 8,690.87 is: 13,040.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.29 : 21,910.35 = 8,690.87 : x
  2. Step 2: Convert to fraction form
    14,602.29/21,910.35 = 8,690.87/x
  3. Step 3: Cross multiply
    14,602.29x = 21,910.35 × 8,690.87
  4. Step 4: Simplify right side
    14,602.29x = 190,419,893.95
  5. Step 5: Solve for x
    x = 190,419,893.95/14,602.29
  6. Step 6: Final answer
    x = 13,040.41

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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.