Home / 15,624.20-23,439.72-5,235.68

Finding the Fourth Proportional to 15,624.20, 23,439.72 and 5,235.68

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Solution

The fourth proportional to 15,624.20, 23,439.72 and 5,235.68 is: 7,854.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.20 : 23,439.72 = 5,235.68 : x
  2. Step 2: Convert to fraction form
    15,624.20/23,439.72 = 5,235.68/x
  3. Step 3: Cross multiply
    15,624.20x = 23,439.72 × 5,235.68
  4. Step 4: Simplify right side
    15,624.20x = 122,722,873.21
  5. Step 5: Solve for x
    x = 122,722,873.21/15,624.20
  6. Step 6: Final answer
    x = 7,854.67

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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.