Home / 14,772.35-20,386.07-8,057.96

Finding the Fourth Proportional to 14,772.35, 20,386.07 and 8,057.96

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Solution

The fourth proportional to 14,772.35, 20,386.07 and 8,057.96 is: 11,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.35 : 20,386.07 = 8,057.96 : x
  2. Step 2: Convert to fraction form
    14,772.35/20,386.07 = 8,057.96/x
  3. Step 3: Cross multiply
    14,772.35x = 20,386.07 × 8,057.96
  4. Step 4: Simplify right side
    14,772.35x = 164,269,994.40
  5. Step 5: Solve for x
    x = 164,269,994.40/14,772.35
  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.