Home / 15,807.21-23,713.16-5,273.79

Finding the Fourth Proportional to 15,807.21, 23,713.16 and 5,273.79

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Solution

The fourth proportional to 15,807.21, 23,713.16 and 5,273.79 is: 7,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.21 : 23,713.16 = 5,273.79 : x
  2. Step 2: Convert to fraction form
    15,807.21/23,713.16 = 5,273.79/x
  3. Step 3: Cross multiply
    15,807.21x = 23,713.16 × 5,273.79
  4. Step 4: Simplify right side
    15,807.21x = 125,058,199.71
  5. Step 5: Solve for x
    x = 125,058,199.71/15,807.21
  6. Step 6: Final answer
    x = 7,911.47

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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.