Home / 27,416.42-37,816.50-18,918.91

Finding the Fourth Proportional to 27,416.42, 37,816.50 and 18,918.91

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Solution

The fourth proportional to 27,416.42, 37,816.50 and 18,918.91 is: 26,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,416.42 : 37,816.50 = 18,918.91 : x
  2. Step 2: Convert to fraction form
    27,416.42/37,816.50 = 18,918.91/x
  3. Step 3: Cross multiply
    27,416.42x = 37,816.50 × 18,918.91
  4. Step 4: Simplify right side
    27,416.42x = 715,446,960.02
  5. Step 5: Solve for x
    x = 715,446,960.02/27,416.42
  6. Step 6: Final answer
    x = 26,095.56

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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.