Home / 14,470.39-21,700.06-5,108.67

Finding the Fourth Proportional to 14,470.39, 21,700.06 and 5,108.67

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Solution

The fourth proportional to 14,470.39, 21,700.06 and 5,108.67 is: 7,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.39 : 21,700.06 = 5,108.67 : x
  2. Step 2: Convert to fraction form
    14,470.39/21,700.06 = 5,108.67/x
  3. Step 3: Cross multiply
    14,470.39x = 21,700.06 × 5,108.67
  4. Step 4: Simplify right side
    14,470.39x = 110,858,311.48
  5. Step 5: Solve for x
    x = 110,858,311.48/14,470.39
  6. Step 6: Final answer
    x = 7,661.05

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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.