Home / 15,718.32-23,582.34-5,337.36

Finding the Fourth Proportional to 15,718.32, 23,582.34 and 5,337.36

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Solution

The fourth proportional to 15,718.32, 23,582.34 and 5,337.36 is: 8,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.32 : 23,582.34 = 5,337.36 : x
  2. Step 2: Convert to fraction form
    15,718.32/23,582.34 = 5,337.36/x
  3. Step 3: Cross multiply
    15,718.32x = 23,582.34 × 5,337.36
  4. Step 4: Simplify right side
    15,718.32x = 125,867,438.22
  5. Step 5: Solve for x
    x = 125,867,438.22/15,718.32
  6. Step 6: Final answer
    x = 8,007.69

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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.