Home / 16,782.49-25,172.11-5,095.81

Finding the Fourth Proportional to 16,782.49, 25,172.11 and 5,095.81

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Solution

The fourth proportional to 16,782.49, 25,172.11 and 5,095.81 is: 7,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.49 : 25,172.11 = 5,095.81 : x
  2. Step 2: Convert to fraction form
    16,782.49/25,172.11 = 5,095.81/x
  3. Step 3: Cross multiply
    16,782.49x = 25,172.11 × 5,095.81
  4. Step 4: Simplify right side
    16,782.49x = 128,272,289.86
  5. Step 5: Solve for x
    x = 128,272,289.86/16,782.49
  6. Step 6: Final answer
    x = 7,643.22

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1.5x scale

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.