Home / 13,756.35-20,629.24-4,870.04

Finding the Fourth Proportional to 13,756.35, 20,629.24 and 4,870.04

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Solution

The fourth proportional to 13,756.35, 20,629.24 and 4,870.04 is: 7,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.35 : 20,629.24 = 4,870.04 : x
  2. Step 2: Convert to fraction form
    13,756.35/20,629.24 = 4,870.04/x
  3. Step 3: Cross multiply
    13,756.35x = 20,629.24 × 4,870.04
  4. Step 4: Simplify right side
    13,756.35x = 100,465,108.65
  5. Step 5: Solve for x
    x = 100,465,108.65/13,756.35
  6. Step 6: Final answer
    x = 7,303.18

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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.