Home / 27,137.18-37,448.21-15,199.90

Finding the Fourth Proportional to 27,137.18, 37,448.21 and 15,199.90

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Solution

The fourth proportional to 27,137.18, 37,448.21 and 15,199.90 is: 20,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.18 : 37,448.21 = 15,199.90 : x
  2. Step 2: Convert to fraction form
    27,137.18/37,448.21 = 15,199.90/x
  3. Step 3: Cross multiply
    27,137.18x = 37,448.21 × 15,199.90
  4. Step 4: Simplify right side
    27,137.18x = 569,209,047.18
  5. Step 5: Solve for x
    x = 569,209,047.18/27,137.18
  6. Step 6: Final answer
    x = 20,975.25

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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.