Home / 14,435.93-19,921.83-8,467.76

Finding the Fourth Proportional to 14,435.93, 19,921.83 and 8,467.76

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Solution

The fourth proportional to 14,435.93, 19,921.83 and 8,467.76 is: 11,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.93 : 19,921.83 = 8,467.76 : x
  2. Step 2: Convert to fraction form
    14,435.93/19,921.83 = 8,467.76/x
  3. Step 3: Cross multiply
    14,435.93x = 19,921.83 × 8,467.76
  4. Step 4: Simplify right side
    14,435.93x = 168,693,275.20
  5. Step 5: Solve for x
    x = 168,693,275.20/14,435.93
  6. Step 6: Final answer
    x = 11,685.65

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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.