Home / 16,812.02-23,203.36-12,825.61

Finding the Fourth Proportional to 16,812.02, 23,203.36 and 12,825.61

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Solution

The fourth proportional to 16,812.02, 23,203.36 and 12,825.61 is: 17,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.02 : 23,203.36 = 12,825.61 : x
  2. Step 2: Convert to fraction form
    16,812.02/23,203.36 = 12,825.61/x
  3. Step 3: Cross multiply
    16,812.02x = 23,203.36 × 12,825.61
  4. Step 4: Simplify right side
    16,812.02x = 297,597,204.07
  5. Step 5: Solve for x
    x = 297,597,204.07/16,812.02
  6. Step 6: Final answer
    x = 17,701.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.