Home / 15,699.89-23,547.24-5,170.06

Finding the Fourth Proportional to 15,699.89, 23,547.24 and 5,170.06

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Solution

The fourth proportional to 15,699.89, 23,547.24 and 5,170.06 is: 7,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.89 : 23,547.24 = 5,170.06 : x
  2. Step 2: Convert to fraction form
    15,699.89/23,547.24 = 5,170.06/x
  3. Step 3: Cross multiply
    15,699.89x = 23,547.24 × 5,170.06
  4. Step 4: Simplify right side
    15,699.89x = 121,740,525.90
  5. Step 5: Solve for x
    x = 121,740,525.90/15,699.89
  6. Step 6: Final answer
    x = 7,754.23

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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.