Home / 20,048.40-27,666.09-11,095.92

Finding the Fourth Proportional to 20,048.40, 27,666.09 and 11,095.92

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Solution

The fourth proportional to 20,048.40, 27,666.09 and 11,095.92 is: 15,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.40 : 27,666.09 = 11,095.92 : x
  2. Step 2: Convert to fraction form
    20,048.40/27,666.09 = 11,095.92/x
  3. Step 3: Cross multiply
    20,048.40x = 27,666.09 × 11,095.92
  4. Step 4: Simplify right side
    20,048.40x = 306,980,721.35
  5. Step 5: Solve for x
    x = 306,980,721.35/20,048.40
  6. Step 6: Final answer
    x = 15,311.98

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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.