Home / 15,941.72-23,907.72-4,253.42

Finding the Fourth Proportional to 15,941.72, 23,907.72 and 4,253.42

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Solution

The fourth proportional to 15,941.72, 23,907.72 and 4,253.42 is: 6,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.72 : 23,907.72 = 4,253.42 : x
  2. Step 2: Convert to fraction form
    15,941.72/23,907.72 = 4,253.42/x
  3. Step 3: Cross multiply
    15,941.72x = 23,907.72 × 4,253.42
  4. Step 4: Simplify right side
    15,941.72x = 101,689,574.40
  5. Step 5: Solve for x
    x = 101,689,574.40/15,941.72
  6. Step 6: Final answer
    x = 6,378.83

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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.