Home / 15,921.27-23,880.18-4,235.67

Finding the Fourth Proportional to 15,921.27, 23,880.18 and 4,235.67

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Solution

The fourth proportional to 15,921.27, 23,880.18 and 4,235.67 is: 6,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.27 : 23,880.18 = 4,235.67 : x
  2. Step 2: Convert to fraction form
    15,921.27/23,880.18 = 4,235.67/x
  3. Step 3: Cross multiply
    15,921.27x = 23,880.18 × 4,235.67
  4. Step 4: Simplify right side
    15,921.27x = 101,148,562.02
  5. Step 5: Solve for x
    x = 101,148,562.02/15,921.27
  6. Step 6: Final answer
    x = 6,353.05

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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.