Home / 46,687.56-70,020.68-13,407.36

Finding the Fourth Proportional to 46,687.56, 70,020.68 and 13,407.36

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Solution

The fourth proportional to 46,687.56, 70,020.68 and 13,407.36 is: 20,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,687.56 : 70,020.68 = 13,407.36 : x
  2. Step 2: Convert to fraction form
    46,687.56/70,020.68 = 13,407.36/x
  3. Step 3: Cross multiply
    46,687.56x = 70,020.68 × 13,407.36
  4. Step 4: Simplify right side
    46,687.56x = 938,792,464.20
  5. Step 5: Solve for x
    x = 938,792,464.20/46,687.56
  6. Step 6: Final answer
    x = 20,107.98

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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.