Home / 16,842.58-23,242.87-9,288.80

Finding the Fourth Proportional to 16,842.58, 23,242.87 and 9,288.80

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Solution

The fourth proportional to 16,842.58, 23,242.87 and 9,288.80 is: 12,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.58 : 23,242.87 = 9,288.80 : x
  2. Step 2: Convert to fraction form
    16,842.58/23,242.87 = 9,288.80/x
  3. Step 3: Cross multiply
    16,842.58x = 23,242.87 × 9,288.80
  4. Step 4: Simplify right side
    16,842.58x = 215,898,370.86
  5. Step 5: Solve for x
    x = 215,898,370.86/16,842.58
  6. Step 6: Final answer
    x = 12,818.60

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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.