Home / 13,908.16-20,855.36-4,667.52

Finding the Fourth Proportional to 13,908.16, 20,855.36 and 4,667.52

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Solution

The fourth proportional to 13,908.16, 20,855.36 and 4,667.52 is: 6,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.16 : 20,855.36 = 4,667.52 : x
  2. Step 2: Convert to fraction form
    13,908.16/20,855.36 = 4,667.52/x
  3. Step 3: Cross multiply
    13,908.16x = 20,855.36 × 4,667.52
  4. Step 4: Simplify right side
    13,908.16x = 97,342,809.91
  5. Step 5: Solve for x
    x = 97,342,809.91/13,908.16
  6. Step 6: Final answer
    x = 6,998.97

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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.