Home / 27,438.84-37,865.75-14,863.59

Finding the Fourth Proportional to 27,438.84, 37,865.75 and 14,863.59

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Solution

The fourth proportional to 27,438.84, 37,865.75 and 14,863.59 is: 20,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.84 : 37,865.75 = 14,863.59 : x
  2. Step 2: Convert to fraction form
    27,438.84/37,865.75 = 14,863.59/x
  3. Step 3: Cross multiply
    27,438.84x = 37,865.75 × 14,863.59
  4. Step 4: Simplify right side
    27,438.84x = 562,820,908.72
  5. Step 5: Solve for x
    x = 562,820,908.72/27,438.84
  6. Step 6: Final answer
    x = 20,511.83

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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.