Home / 20,846.37-28,754.13-14,881.41

Finding the Fourth Proportional to 20,846.37, 28,754.13 and 14,881.41

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Solution

The fourth proportional to 20,846.37, 28,754.13 and 14,881.41 is: 20,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.37 : 28,754.13 = 14,881.41 : x
  2. Step 2: Convert to fraction form
    20,846.37/28,754.13 = 14,881.41/x
  3. Step 3: Cross multiply
    20,846.37x = 28,754.13 × 14,881.41
  4. Step 4: Simplify right side
    20,846.37x = 427,901,997.72
  5. Step 5: Solve for x
    x = 427,901,997.72/20,846.37
  6. Step 6: Final answer
    x = 20,526.45

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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.