Home / 14,981.49-20,674-8,266.95

Finding the Fourth Proportional to 14,981.49, 20,674 and 8,266.95

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Solution

The fourth proportional to 14,981.49, 20,674 and 8,266.95 is: 11,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.49 : 20,674 = 8,266.95 : x
  2. Step 2: Convert to fraction form
    14,981.49/20,674 = 8,266.95/x
  3. Step 3: Cross multiply
    14,981.49x = 20,674 × 8,266.95
  4. Step 4: Simplify right side
    14,981.49x = 170,910,924.30
  5. Step 5: Solve for x
    x = 170,910,924.30/14,981.49
  6. Step 6: Final answer
    x = 11,408.14

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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.