Home / 20,048.04-27,665.64-11,095.20

Finding the Fourth Proportional to 20,048.04, 27,665.64 and 11,095.20

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Solution

The fourth proportional to 20,048.04, 27,665.64 and 11,095.20 is: 15,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.04 : 27,665.64 = 11,095.20 : x
  2. Step 2: Convert to fraction form
    20,048.04/27,665.64 = 11,095.20/x
  3. Step 3: Cross multiply
    20,048.04x = 27,665.64 × 11,095.20
  4. Step 4: Simplify right side
    20,048.04x = 306,955,808.93
  5. Step 5: Solve for x
    x = 306,955,808.93/20,048.04
  6. Step 6: Final answer
    x = 15,311.01

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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.