Home / 20,050.69-27,670.90-11,554.08

Finding the Fourth Proportional to 20,050.69, 27,670.90 and 11,554.08

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Solution

The fourth proportional to 20,050.69, 27,670.90 and 11,554.08 is: 15,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.69 : 27,670.90 = 11,554.08 : x
  2. Step 2: Convert to fraction form
    20,050.69/27,670.90 = 11,554.08/x
  3. Step 3: Cross multiply
    20,050.69x = 27,670.90 × 11,554.08
  4. Step 4: Simplify right side
    20,050.69x = 319,711,846.77
  5. Step 5: Solve for x
    x = 319,711,846.77/20,050.69
  6. Step 6: Final answer
    x = 15,945.18

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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.