Home / 14,170.16-21,256.43-4,309.52

Finding the Fourth Proportional to 14,170.16, 21,256.43 and 4,309.52

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Solution

The fourth proportional to 14,170.16, 21,256.43 and 4,309.52 is: 6,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.16 : 21,256.43 = 4,309.52 : x
  2. Step 2: Convert to fraction form
    14,170.16/21,256.43 = 4,309.52/x
  3. Step 3: Cross multiply
    14,170.16x = 21,256.43 × 4,309.52
  4. Step 4: Simplify right side
    14,170.16x = 91,605,010.21
  5. Step 5: Solve for x
    x = 91,605,010.21/14,170.16
  6. Step 6: Final answer
    x = 6,464.64

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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.