Home / 15,718.36-23,581.58-4,625.42

Finding the Fourth Proportional to 15,718.36, 23,581.58 and 4,625.42

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Solution

The fourth proportional to 15,718.36, 23,581.58 and 4,625.42 is: 6,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.36 : 23,581.58 = 4,625.42 : x
  2. Step 2: Convert to fraction form
    15,718.36/23,581.58 = 4,625.42/x
  3. Step 3: Cross multiply
    15,718.36x = 23,581.58 × 4,625.42
  4. Step 4: Simplify right side
    15,718.36x = 109,074,711.76
  5. Step 5: Solve for x
    x = 109,074,711.76/15,718.36
  6. Step 6: Final answer
    x = 6,939.32

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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.