Home / 13,475.76-20,222.87-4,710.69

Finding the Fourth Proportional to 13,475.76, 20,222.87 and 4,710.69

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Solution

The fourth proportional to 13,475.76, 20,222.87 and 4,710.69 is: 7,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.76 : 20,222.87 = 4,710.69 : x
  2. Step 2: Convert to fraction form
    13,475.76/20,222.87 = 4,710.69/x
  3. Step 3: Cross multiply
    13,475.76x = 20,222.87 × 4,710.69
  4. Step 4: Simplify right side
    13,475.76x = 95,263,647.93
  5. Step 5: Solve for x
    x = 95,263,647.93/13,475.76
  6. Step 6: Final answer
    x = 7,069.26

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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.