Home / 15,879.56-23,802.67-5,345.93

Finding the Fourth Proportional to 15,879.56, 23,802.67 and 5,345.93

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Solution

The fourth proportional to 15,879.56, 23,802.67 and 5,345.93 is: 8,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.56 : 23,802.67 = 5,345.93 : x
  2. Step 2: Convert to fraction form
    15,879.56/23,802.67 = 5,345.93/x
  3. Step 3: Cross multiply
    15,879.56x = 23,802.67 × 5,345.93
  4. Step 4: Simplify right side
    15,879.56x = 127,247,407.63
  5. Step 5: Solve for x
    x = 127,247,407.63/15,879.56
  6. Step 6: Final answer
    x = 8,013.28

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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.