Home / 14,451.83-19,944.29-8,785.66

Finding the Fourth Proportional to 14,451.83, 19,944.29 and 8,785.66

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Solution

The fourth proportional to 14,451.83, 19,944.29 and 8,785.66 is: 12,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.83 : 19,944.29 = 8,785.66 : x
  2. Step 2: Convert to fraction form
    14,451.83/19,944.29 = 8,785.66/x
  3. Step 3: Cross multiply
    14,451.83x = 19,944.29 × 8,785.66
  4. Step 4: Simplify right side
    14,451.83x = 175,223,657.09
  5. Step 5: Solve for x
    x = 175,223,657.09/14,451.83
  6. Step 6: Final answer
    x = 12,124.67

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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.