Home / 14,111.68-21,168.32-4,252.32

Finding the Fourth Proportional to 14,111.68, 21,168.32 and 4,252.32

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Solution

The fourth proportional to 14,111.68, 21,168.32 and 4,252.32 is: 6,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.68 : 21,168.32 = 4,252.32 : x
  2. Step 2: Convert to fraction form
    14,111.68/21,168.32 = 4,252.32/x
  3. Step 3: Cross multiply
    14,111.68x = 21,168.32 × 4,252.32
  4. Step 4: Simplify right side
    14,111.68x = 90,014,470.50
  5. Step 5: Solve for x
    x = 90,014,470.50/14,111.68
  6. Step 6: Final answer
    x = 6,378.72

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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.