Home / 31,184.63-46,810.26-13,424.09

Finding the Fourth Proportional to 31,184.63, 46,810.26 and 13,424.09

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Solution

The fourth proportional to 31,184.63, 46,810.26 and 13,424.09 is: 20,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.63 : 46,810.26 = 13,424.09 : x
  2. Step 2: Convert to fraction form
    31,184.63/46,810.26 = 13,424.09/x
  3. Step 3: Cross multiply
    31,184.63x = 46,810.26 × 13,424.09
  4. Step 4: Simplify right side
    31,184.63x = 628,385,143.16
  5. Step 5: Solve for x
    x = 628,385,143.16/31,184.63
  6. Step 6: Final answer
    x = 20,150.48

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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.