Home / 23,138.48-34,700.56-8,345.50

Finding the Fourth Proportional to 23,138.48, 34,700.56 and 8,345.50

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Solution

The fourth proportional to 23,138.48, 34,700.56 and 8,345.50 is: 12,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.48 : 34,700.56 = 8,345.50 : x
  2. Step 2: Convert to fraction form
    23,138.48/34,700.56 = 8,345.50/x
  3. Step 3: Cross multiply
    23,138.48x = 34,700.56 × 8,345.50
  4. Step 4: Simplify right side
    23,138.48x = 289,593,523.48
  5. Step 5: Solve for x
    x = 289,593,523.48/23,138.48
  6. Step 6: Final answer
    x = 12,515.67

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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.