Home / 15,430.46-23,146.59-4,338.01

Finding the Fourth Proportional to 15,430.46, 23,146.59 and 4,338.01

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Solution

The fourth proportional to 15,430.46, 23,146.59 and 4,338.01 is: 6,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.46 : 23,146.59 = 4,338.01 : x
  2. Step 2: Convert to fraction form
    15,430.46/23,146.59 = 4,338.01/x
  3. Step 3: Cross multiply
    15,430.46x = 23,146.59 × 4,338.01
  4. Step 4: Simplify right side
    15,430.46x = 100,410,138.89
  5. Step 5: Solve for x
    x = 100,410,138.89/15,430.46
  6. Step 6: Final answer
    x = 6,507.27

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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.