Home / 27,102.34-40,623.85-13,955.50

Finding the Fourth Proportional to 27,102.34, 40,623.85 and 13,955.50

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Solution

The fourth proportional to 27,102.34, 40,623.85 and 13,955.50 is: 20,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.34 : 40,623.85 = 13,955.50 : x
  2. Step 2: Convert to fraction form
    27,102.34/40,623.85 = 13,955.50/x
  3. Step 3: Cross multiply
    27,102.34x = 40,623.85 × 13,955.50
  4. Step 4: Simplify right side
    27,102.34x = 566,925,865.78
  5. Step 5: Solve for x
    x = 566,925,865.78/27,102.34
  6. Step 6: Final answer
    x = 20,917.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.