Home / 16,671.84-23,009.40-10,720.44

Finding the Fourth Proportional to 16,671.84, 23,009.40 and 10,720.44

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Solution

The fourth proportional to 16,671.84, 23,009.40 and 10,720.44 is: 14,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.84 : 23,009.40 = 10,720.44 : x
  2. Step 2: Convert to fraction form
    16,671.84/23,009.40 = 10,720.44/x
  3. Step 3: Cross multiply
    16,671.84x = 23,009.40 × 10,720.44
  4. Step 4: Simplify right side
    16,671.84x = 246,670,892.14
  5. Step 5: Solve for x
    x = 246,670,892.14/16,671.84
  6. Step 6: Final answer
    x = 14,795.66

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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.