Home / 15,581.37-23,375.76-5,051.40

Finding the Fourth Proportional to 15,581.37, 23,375.76 and 5,051.40

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Solution

The fourth proportional to 15,581.37, 23,375.76 and 5,051.40 is: 7,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.37 : 23,375.76 = 5,051.40 : x
  2. Step 2: Convert to fraction form
    15,581.37/23,375.76 = 5,051.40/x
  3. Step 3: Cross multiply
    15,581.37x = 23,375.76 × 5,051.40
  4. Step 4: Simplify right side
    15,581.37x = 118,080,314.06
  5. Step 5: Solve for x
    x = 118,080,314.06/15,581.37
  6. Step 6: Final answer
    x = 7,578.30

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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.