Home / 20,050.65-27,667.46-11,555.52

Finding the Fourth Proportional to 20,050.65, 27,667.46 and 11,555.52

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Solution

The fourth proportional to 20,050.65, 27,667.46 and 11,555.52 is: 15,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.65 : 27,667.46 = 11,555.52 : x
  2. Step 2: Convert to fraction form
    20,050.65/27,667.46 = 11,555.52/x
  3. Step 3: Cross multiply
    20,050.65x = 27,667.46 × 11,555.52
  4. Step 4: Simplify right side
    20,050.65x = 319,711,829.60
  5. Step 5: Solve for x
    x = 319,711,829.60/20,050.65
  6. Step 6: Final answer
    x = 15,945.21

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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.