Home / 27,412.84-37,830.65-16,800.43

Finding the Fourth Proportional to 27,412.84, 37,830.65 and 16,800.43

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Solution

The fourth proportional to 27,412.84, 37,830.65 and 16,800.43 is: 23,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.84 : 37,830.65 = 16,800.43 : x
  2. Step 2: Convert to fraction form
    27,412.84/37,830.65 = 16,800.43/x
  3. Step 3: Cross multiply
    27,412.84x = 37,830.65 × 16,800.43
  4. Step 4: Simplify right side
    27,412.84x = 635,571,187.18
  5. Step 5: Solve for x
    x = 635,571,187.18/27,412.84
  6. Step 6: Final answer
    x = 23,185.16

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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.