Home / 14,988.48-20,684.17-8,273.98

Finding the Fourth Proportional to 14,988.48, 20,684.17 and 8,273.98

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Solution

The fourth proportional to 14,988.48, 20,684.17 and 8,273.98 is: 11,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.48 : 20,684.17 = 8,273.98 : x
  2. Step 2: Convert to fraction form
    14,988.48/20,684.17 = 8,273.98/x
  3. Step 3: Cross multiply
    14,988.48x = 20,684.17 × 8,273.98
  4. Step 4: Simplify right side
    14,988.48x = 171,140,408.90
  5. Step 5: Solve for x
    x = 171,140,408.90/14,988.48
  6. Step 6: Final answer
    x = 11,418.13

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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.