Home / 27,486.46-37,931.43-14,911.21

Finding the Fourth Proportional to 27,486.46, 37,931.43 and 14,911.21

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Solution

The fourth proportional to 27,486.46, 37,931.43 and 14,911.21 is: 20,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.46 : 37,931.43 = 14,911.21 : x
  2. Step 2: Convert to fraction form
    27,486.46/37,931.43 = 14,911.21/x
  3. Step 3: Cross multiply
    27,486.46x = 37,931.43 × 14,911.21
  4. Step 4: Simplify right side
    27,486.46x = 565,603,518.33
  5. Step 5: Solve for x
    x = 565,603,518.33/27,486.46
  6. Step 6: Final answer
    x = 20,577.53

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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.