Home / 14,178.88-19,535.76-10,578.64

Finding the Fourth Proportional to 14,178.88, 19,535.76 and 10,578.64

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Solution

The fourth proportional to 14,178.88, 19,535.76 and 10,578.64 is: 14,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.88 : 19,535.76 = 10,578.64 : x
  2. Step 2: Convert to fraction form
    14,178.88/19,535.76 = 10,578.64/x
  3. Step 3: Cross multiply
    14,178.88x = 19,535.76 × 10,578.64
  4. Step 4: Simplify right side
    14,178.88x = 206,661,772.17
  5. Step 5: Solve for x
    x = 206,661,772.17/14,178.88
  6. Step 6: Final answer
    x = 14,575.32

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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.