Home / 14,156.76-19,540.41-11,343.77

Finding the Fourth Proportional to 14,156.76, 19,540.41 and 11,343.77

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Solution

The fourth proportional to 14,156.76, 19,540.41 and 11,343.77 is: 15,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.76 : 19,540.41 = 11,343.77 : x
  2. Step 2: Convert to fraction form
    14,156.76/19,540.41 = 11,343.77/x
  3. Step 3: Cross multiply
    14,156.76x = 19,540.41 × 11,343.77
  4. Step 4: Simplify right side
    14,156.76x = 221,661,819.04
  5. Step 5: Solve for x
    x = 221,661,819.04/14,156.76
  6. Step 6: Final answer
    x = 15,657.67

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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.