Home / 27,967.14-38,607.21-18,412.02

Finding the Fourth Proportional to 27,967.14, 38,607.21 and 18,412.02

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Solution

The fourth proportional to 27,967.14, 38,607.21 and 18,412.02 is: 25,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,967.14 : 38,607.21 = 18,412.02 : x
  2. Step 2: Convert to fraction form
    27,967.14/38,607.21 = 18,412.02/x
  3. Step 3: Cross multiply
    27,967.14x = 38,607.21 × 18,412.02
  4. Step 4: Simplify right side
    27,967.14x = 710,836,722.66
  5. Step 5: Solve for x
    x = 710,836,722.66/27,967.14
  6. Step 6: Final answer
    x = 25,416.85

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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.