Home / 14,434.66-19,919.64-8,061.36

Finding the Fourth Proportional to 14,434.66, 19,919.64 and 8,061.36

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Solution

The fourth proportional to 14,434.66, 19,919.64 and 8,061.36 is: 11,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.66 : 19,919.64 = 8,061.36 : x
  2. Step 2: Convert to fraction form
    14,434.66/19,919.64 = 8,061.36/x
  3. Step 3: Cross multiply
    14,434.66x = 19,919.64 × 8,061.36
  4. Step 4: Simplify right side
    14,434.66x = 160,579,339.31
  5. Step 5: Solve for x
    x = 160,579,339.31/14,434.66
  6. Step 6: Final answer
    x = 11,124.57

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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.