Home / 14,422.98-21,621.51-5,186.82

Finding the Fourth Proportional to 14,422.98, 21,621.51 and 5,186.82

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Solution

The fourth proportional to 14,422.98, 21,621.51 and 5,186.82 is: 7,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.98 : 21,621.51 = 5,186.82 : x
  2. Step 2: Convert to fraction form
    14,422.98/21,621.51 = 5,186.82/x
  3. Step 3: Cross multiply
    14,422.98x = 21,621.51 × 5,186.82
  4. Step 4: Simplify right side
    14,422.98x = 112,146,880.50
  5. Step 5: Solve for x
    x = 112,146,880.50/14,422.98
  6. Step 6: Final answer
    x = 7,775.57

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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.