Home / 20,048.50-27,666.93-11,670.58

Finding the Fourth Proportional to 20,048.50, 27,666.93 and 11,670.58

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Solution

The fourth proportional to 20,048.50, 27,666.93 and 11,670.58 is: 16,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.50 : 27,666.93 = 11,670.58 : x
  2. Step 2: Convert to fraction form
    20,048.50/27,666.93 = 11,670.58/x
  3. Step 3: Cross multiply
    20,048.50x = 27,666.93 × 11,670.58
  4. Step 4: Simplify right side
    20,048.50x = 322,889,119.92
  5. Step 5: Solve for x
    x = 322,889,119.92/20,048.50
  6. Step 6: Final answer
    x = 16,105.40

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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.