Home / 14,725.36-20,320.84-8,011.12

Finding the Fourth Proportional to 14,725.36, 20,320.84 and 8,011.12

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Solution

The fourth proportional to 14,725.36, 20,320.84 and 8,011.12 is: 11,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.36 : 20,320.84 = 8,011.12 : x
  2. Step 2: Convert to fraction form
    14,725.36/20,320.84 = 8,011.12/x
  3. Step 3: Cross multiply
    14,725.36x = 20,320.84 × 8,011.12
  4. Step 4: Simplify right side
    14,725.36x = 162,792,687.74
  5. Step 5: Solve for x
    x = 162,792,687.74/14,725.36
  6. Step 6: Final answer
    x = 11,055.26

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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.