Home / 27,907.50-38,522.44-18,479.10

Finding the Fourth Proportional to 27,907.50, 38,522.44 and 18,479.10

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Solution

The fourth proportional to 27,907.50, 38,522.44 and 18,479.10 is: 25,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.50 : 38,522.44 = 18,479.10 : x
  2. Step 2: Convert to fraction form
    27,907.50/38,522.44 = 18,479.10/x
  3. Step 3: Cross multiply
    27,907.50x = 38,522.44 × 18,479.10
  4. Step 4: Simplify right side
    27,907.50x = 711,860,021.00
  5. Step 5: Solve for x
    x = 711,860,021.00/27,907.50
  6. Step 6: Final answer
    x = 25,507.84

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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.