Home / 23,621.28-35,436.48-8,840.64

Finding the Fourth Proportional to 23,621.28, 35,436.48 and 8,840.64

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Solution

The fourth proportional to 23,621.28, 35,436.48 and 8,840.64 is: 13,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,621.28 : 35,436.48 = 8,840.64 : x
  2. Step 2: Convert to fraction form
    23,621.28/35,436.48 = 8,840.64/x
  3. Step 3: Cross multiply
    23,621.28x = 35,436.48 × 8,840.64
  4. Step 4: Simplify right side
    23,621.28x = 313,281,162.55
  5. Step 5: Solve for x
    x = 313,281,162.55/23,621.28
  6. Step 6: Final answer
    x = 13,262.67

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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.