Home / 14,583.32-21,870.42-4,720.56

Finding the Fourth Proportional to 14,583.32, 21,870.42 and 4,720.56

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Solution

The fourth proportional to 14,583.32, 21,870.42 and 4,720.56 is: 7,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583.32 : 21,870.42 = 4,720.56 : x
  2. Step 2: Convert to fraction form
    14,583.32/21,870.42 = 4,720.56/x
  3. Step 3: Cross multiply
    14,583.32x = 21,870.42 × 4,720.56
  4. Step 4: Simplify right side
    14,583.32x = 103,240,629.84
  5. Step 5: Solve for x
    x = 103,240,629.84/14,583.32
  6. Step 6: Final answer
    x = 7,079.37

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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.