Home / 15,678.36-23,519.73-4,585.88

Finding the Fourth Proportional to 15,678.36, 23,519.73 and 4,585.88

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Solution

The fourth proportional to 15,678.36, 23,519.73 and 4,585.88 is: 6,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.36 : 23,519.73 = 4,585.88 : x
  2. Step 2: Convert to fraction form
    15,678.36/23,519.73 = 4,585.88/x
  3. Step 3: Cross multiply
    15,678.36x = 23,519.73 × 4,585.88
  4. Step 4: Simplify right side
    15,678.36x = 107,858,541.81
  5. Step 5: Solve for x
    x = 107,858,541.81/15,678.36
  6. Step 6: Final answer
    x = 6,879.45

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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.