Home / 14,618.35-20,160.07-9,580.75

Finding the Fourth Proportional to 14,618.35, 20,160.07 and 9,580.75

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Solution

The fourth proportional to 14,618.35, 20,160.07 and 9,580.75 is: 13,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.35 : 20,160.07 = 9,580.75 : x
  2. Step 2: Convert to fraction form
    14,618.35/20,160.07 = 9,580.75/x
  3. Step 3: Cross multiply
    14,618.35x = 20,160.07 × 9,580.75
  4. Step 4: Simplify right side
    14,618.35x = 193,148,590.65
  5. Step 5: Solve for x
    x = 193,148,590.65/14,618.35
  6. Step 6: Final answer
    x = 13,212.75

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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.