Home / 16,812.63-25,223.01-5,125.14

Finding the Fourth Proportional to 16,812.63, 25,223.01 and 5,125.14

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Solution

The fourth proportional to 16,812.63, 25,223.01 and 5,125.14 is: 7,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.63 : 25,223.01 = 5,125.14 : x
  2. Step 2: Convert to fraction form
    16,812.63/25,223.01 = 5,125.14/x
  3. Step 3: Cross multiply
    16,812.63x = 25,223.01 × 5,125.14
  4. Step 4: Simplify right side
    16,812.63x = 129,271,457.47
  5. Step 5: Solve for x
    x = 129,271,457.47/16,812.63
  6. Step 6: Final answer
    x = 7,688.95

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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.