Home / 27,074.81-37,360.18-15,137.75

Finding the Fourth Proportional to 27,074.81, 37,360.18 and 15,137.75

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Solution

The fourth proportional to 27,074.81, 37,360.18 and 15,137.75 is: 20,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,074.81 : 37,360.18 = 15,137.75 : x
  2. Step 2: Convert to fraction form
    27,074.81/37,360.18 = 15,137.75/x
  3. Step 3: Cross multiply
    27,074.81x = 37,360.18 × 15,137.75
  4. Step 4: Simplify right side
    27,074.81x = 565,549,064.80
  5. Step 5: Solve for x
    x = 565,549,064.80/27,074.81
  6. Step 6: Final answer
    x = 20,888.39

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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.