Home / 16,840.17-23,249.39-14,972

Finding the Fourth Proportional to 16,840.17, 23,249.39 and 14,972

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Solution

The fourth proportional to 16,840.17, 23,249.39 and 14,972 is: 20,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.17 : 23,249.39 = 14,972 : x
  2. Step 2: Convert to fraction form
    16,840.17/23,249.39 = 14,972/x
  3. Step 3: Cross multiply
    16,840.17x = 23,249.39 × 14,972
  4. Step 4: Simplify right side
    16,840.17x = 348,089,867.08
  5. Step 5: Solve for x
    x = 348,089,867.08/16,840.17
  6. Step 6: Final answer
    x = 20,670.21

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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.