Home / 16,971.12-23,420.21-9,416.93

Finding the Fourth Proportional to 16,971.12, 23,420.21 and 9,416.93

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Solution

The fourth proportional to 16,971.12, 23,420.21 and 9,416.93 is: 12,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.12 : 23,420.21 = 9,416.93 : x
  2. Step 2: Convert to fraction form
    16,971.12/23,420.21 = 9,416.93/x
  3. Step 3: Cross multiply
    16,971.12x = 23,420.21 × 9,416.93
  4. Step 4: Simplify right side
    16,971.12x = 220,546,313.97
  5. Step 5: Solve for x
    x = 220,546,313.97/16,971.12
  6. Step 6: Final answer
    x = 12,995.39

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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.