Home / 16,666.86-24,999.49-4,186.60

Finding the Fourth Proportional to 16,666.86, 24,999.49 and 4,186.60

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Solution

The fourth proportional to 16,666.86, 24,999.49 and 4,186.60 is: 6,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.86 : 24,999.49 = 4,186.60 : x
  2. Step 2: Convert to fraction form
    16,666.86/24,999.49 = 4,186.60/x
  3. Step 3: Cross multiply
    16,666.86x = 24,999.49 × 4,186.60
  4. Step 4: Simplify right side
    16,666.86x = 104,662,924.64
  5. Step 5: Solve for x
    x = 104,662,924.64/16,666.86
  6. Step 6: Final answer
    x = 6,279.70

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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.