Home / 14,772.32-20,386.04-8,057.95

Finding the Fourth Proportional to 14,772.32, 20,386.04 and 8,057.95

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Solution

The fourth proportional to 14,772.32, 20,386.04 and 8,057.95 is: 11,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.32 : 20,386.04 = 8,057.95 : x
  2. Step 2: Convert to fraction form
    14,772.32/20,386.04 = 8,057.95/x
  3. Step 3: Cross multiply
    14,772.32x = 20,386.04 × 8,057.95
  4. Step 4: Simplify right side
    14,772.32x = 164,269,660.20
  5. Step 5: Solve for x
    x = 164,269,660.20/14,772.32
  6. Step 6: Final answer
    x = 11,120.10

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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.