Home / 27,431.46-37,855.35-14,856.21

Finding the Fourth Proportional to 27,431.46, 37,855.35 and 14,856.21

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Solution

The fourth proportional to 27,431.46, 37,855.35 and 14,856.21 is: 20,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.46 : 37,855.35 = 14,856.21 : x
  2. Step 2: Convert to fraction form
    27,431.46/37,855.35 = 14,856.21/x
  3. Step 3: Cross multiply
    27,431.46x = 37,855.35 × 14,856.21
  4. Step 4: Simplify right side
    27,431.46x = 562,387,029.22
  5. Step 5: Solve for x
    x = 562,387,029.22/27,431.46
  6. Step 6: Final answer
    x = 20,501.53

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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.