Home / 14,189.86-21,280.26-4,700.44

Finding the Fourth Proportional to 14,189.86, 21,280.26 and 4,700.44

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Solution

The fourth proportional to 14,189.86, 21,280.26 and 4,700.44 is: 7,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.86 : 21,280.26 = 4,700.44 : x
  2. Step 2: Convert to fraction form
    14,189.86/21,280.26 = 4,700.44/x
  3. Step 3: Cross multiply
    14,189.86x = 21,280.26 × 4,700.44
  4. Step 4: Simplify right side
    14,189.86x = 100,026,585.31
  5. Step 5: Solve for x
    x = 100,026,585.31/14,189.86
  6. Step 6: Final answer
    x = 7,049.16

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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.