Home / 14,124.32-19,483.46-8,809.90

Finding the Fourth Proportional to 14,124.32, 19,483.46 and 8,809.90

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Solution

The fourth proportional to 14,124.32, 19,483.46 and 8,809.90 is: 12,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.32 : 19,483.46 = 8,809.90 : x
  2. Step 2: Convert to fraction form
    14,124.32/19,483.46 = 8,809.90/x
  3. Step 3: Cross multiply
    14,124.32x = 19,483.46 × 8,809.90
  4. Step 4: Simplify right side
    14,124.32x = 171,647,334.25
  5. Step 5: Solve for x
    x = 171,647,334.25/14,124.32
  6. Step 6: Final answer
    x = 12,152.61

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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.