Home / 13,971.86-20,958.28-4,612.10

Finding the Fourth Proportional to 13,971.86, 20,958.28 and 4,612.10

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Solution

The fourth proportional to 13,971.86, 20,958.28 and 4,612.10 is: 6,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.86 : 20,958.28 = 4,612.10 : x
  2. Step 2: Convert to fraction form
    13,971.86/20,958.28 = 4,612.10/x
  3. Step 3: Cross multiply
    13,971.86x = 20,958.28 × 4,612.10
  4. Step 4: Simplify right side
    13,971.86x = 96,661,683.19
  5. Step 5: Solve for x
    x = 96,661,683.19/13,971.86
  6. Step 6: Final answer
    x = 6,918.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.