Home / 14,364.88-21,553.80-7,340.56

Finding the Fourth Proportional to 14,364.88, 21,553.80 and 7,340.56

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Solution

The fourth proportional to 14,364.88, 21,553.80 and 7,340.56 is: 11,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.88 : 21,553.80 = 7,340.56 : x
  2. Step 2: Convert to fraction form
    14,364.88/21,553.80 = 7,340.56/x
  3. Step 3: Cross multiply
    14,364.88x = 21,553.80 × 7,340.56
  4. Step 4: Simplify right side
    14,364.88x = 158,216,962.13
  5. Step 5: Solve for x
    x = 158,216,962.13/14,364.88
  6. Step 6: Final answer
    x = 11,014.15

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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.