Home / 16,730.79-25,099.37-5,637.70

Finding the Fourth Proportional to 16,730.79, 25,099.37 and 5,637.70

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Solution

The fourth proportional to 16,730.79, 25,099.37 and 5,637.70 is: 8,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.79 : 25,099.37 = 5,637.70 : x
  2. Step 2: Convert to fraction form
    16,730.79/25,099.37 = 5,637.70/x
  3. Step 3: Cross multiply
    16,730.79x = 25,099.37 × 5,637.70
  4. Step 4: Simplify right side
    16,730.79x = 141,502,742.58
  5. Step 5: Solve for x
    x = 141,502,742.58/16,730.79
  6. Step 6: Final answer
    x = 8,457.63

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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.