Home / 19,085.64-28,623.60-12,842.16

Finding the Fourth Proportional to 19,085.64, 28,623.60 and 12,842.16

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Solution

The fourth proportional to 19,085.64, 28,623.60 and 12,842.16 is: 19,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.64 : 28,623.60 = 12,842.16 : x
  2. Step 2: Convert to fraction form
    19,085.64/28,623.60 = 12,842.16/x
  3. Step 3: Cross multiply
    19,085.64x = 28,623.60 × 12,842.16
  4. Step 4: Simplify right side
    19,085.64x = 367,588,850.98
  5. Step 5: Solve for x
    x = 367,588,850.98/19,085.64
  6. Step 6: Final answer
    x = 19,259.97

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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.