Home / 14,118.15-21,182.81-6,725.91

Finding the Fourth Proportional to 14,118.15, 21,182.81 and 6,725.91

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Solution

The fourth proportional to 14,118.15, 21,182.81 and 6,725.91 is: 10,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.15 : 21,182.81 = 6,725.91 : x
  2. Step 2: Convert to fraction form
    14,118.15/21,182.81 = 6,725.91/x
  3. Step 3: Cross multiply
    14,118.15x = 21,182.81 × 6,725.91
  4. Step 4: Simplify right side
    14,118.15x = 142,473,639.98
  5. Step 5: Solve for x
    x = 142,473,639.98/14,118.15
  6. Step 6: Final answer
    x = 10,091.52

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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.