Home / 15,455.98-23,185.78-4,922.30

Finding the Fourth Proportional to 15,455.98, 23,185.78 and 4,922.30

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Solution

The fourth proportional to 15,455.98, 23,185.78 and 4,922.30 is: 7,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.98 : 23,185.78 = 4,922.30 : x
  2. Step 2: Convert to fraction form
    15,455.98/23,185.78 = 4,922.30/x
  3. Step 3: Cross multiply
    15,455.98x = 23,185.78 × 4,922.30
  4. Step 4: Simplify right side
    15,455.98x = 114,127,364.89
  5. Step 5: Solve for x
    x = 114,127,364.89/15,455.98
  6. Step 6: Final answer
    x = 7,384.03

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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.