Home / 28,953.88-43,362.78-14,116.32

Finding the Fourth Proportional to 28,953.88, 43,362.78 and 14,116.32

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Solution

The fourth proportional to 28,953.88, 43,362.78 and 14,116.32 is: 21,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.88 : 43,362.78 = 14,116.32 : x
  2. Step 2: Convert to fraction form
    28,953.88/43,362.78 = 14,116.32/x
  3. Step 3: Cross multiply
    28,953.88x = 43,362.78 × 14,116.32
  4. Step 4: Simplify right side
    28,953.88x = 612,122,878.57
  5. Step 5: Solve for x
    x = 612,122,878.57/28,953.88
  6. Step 6: Final answer
    x = 21,141.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.