Home / 14,981.42-20,674.52-8,267.28

Finding the Fourth Proportional to 14,981.42, 20,674.52 and 8,267.28

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Solution

The fourth proportional to 14,981.42, 20,674.52 and 8,267.28 is: 11,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.42 : 20,674.52 = 8,267.28 : x
  2. Step 2: Convert to fraction form
    14,981.42/20,674.52 = 8,267.28/x
  3. Step 3: Cross multiply
    14,981.42x = 20,674.52 × 8,267.28
  4. Step 4: Simplify right side
    14,981.42x = 170,922,045.71
  5. Step 5: Solve for x
    x = 170,922,045.71/14,981.42
  6. Step 6: Final answer
    x = 11,408.93

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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.