Home / 16,972.74-25,457.49-5,285.25

Finding the Fourth Proportional to 16,972.74, 25,457.49 and 5,285.25

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Solution

The fourth proportional to 16,972.74, 25,457.49 and 5,285.25 is: 7,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.74 : 25,457.49 = 5,285.25 : x
  2. Step 2: Convert to fraction form
    16,972.74/25,457.49 = 5,285.25/x
  3. Step 3: Cross multiply
    16,972.74x = 25,457.49 × 5,285.25
  4. Step 4: Simplify right side
    16,972.74x = 134,549,199.02
  5. Step 5: Solve for x
    x = 134,549,199.02/16,972.74
  6. Step 6: Final answer
    x = 7,927.37

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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.