Home / 14,193.45-21,283.92-5,305.32

Finding the Fourth Proportional to 14,193.45, 21,283.92 and 5,305.32

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Solution

The fourth proportional to 14,193.45, 21,283.92 and 5,305.32 is: 7,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.45 : 21,283.92 = 5,305.32 : x
  2. Step 2: Convert to fraction form
    14,193.45/21,283.92 = 5,305.32/x
  3. Step 3: Cross multiply
    14,193.45x = 21,283.92 × 5,305.32
  4. Step 4: Simplify right side
    14,193.45x = 112,918,006.45
  5. Step 5: Solve for x
    x = 112,918,006.45/14,193.45
  6. Step 6: Final answer
    x = 7,955.64

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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.