Home / 27,674.55-38,187.63-15,735.35

Finding the Fourth Proportional to 27,674.55, 38,187.63 and 15,735.35

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Solution

The fourth proportional to 27,674.55, 38,187.63 and 15,735.35 is: 21,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,674.55 : 38,187.63 = 15,735.35 : x
  2. Step 2: Convert to fraction form
    27,674.55/38,187.63 = 15,735.35/x
  3. Step 3: Cross multiply
    27,674.55x = 38,187.63 × 15,735.35
  4. Step 4: Simplify right side
    27,674.55x = 600,895,532.78
  5. Step 5: Solve for x
    x = 600,895,532.78/27,674.55
  6. Step 6: Final answer
    x = 21,712.93

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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.