Home / 14,674.78-22,009.20-4,145.74

Finding the Fourth Proportional to 14,674.78, 22,009.20 and 4,145.74

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Solution

The fourth proportional to 14,674.78, 22,009.20 and 4,145.74 is: 6,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.78 : 22,009.20 = 4,145.74 : x
  2. Step 2: Convert to fraction form
    14,674.78/22,009.20 = 4,145.74/x
  3. Step 3: Cross multiply
    14,674.78x = 22,009.20 × 4,145.74
  4. Step 4: Simplify right side
    14,674.78x = 91,244,420.81
  5. Step 5: Solve for x
    x = 91,244,420.81/14,674.78
  6. Step 6: Final answer
    x = 6,217.77

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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.