Home / 46,454.88-69,684.96-13,172.31

Finding the Fourth Proportional to 46,454.88, 69,684.96 and 13,172.31

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Solution

The fourth proportional to 46,454.88, 69,684.96 and 13,172.31 is: 19,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,454.88 : 69,684.96 = 13,172.31 : x
  2. Step 2: Convert to fraction form
    46,454.88/69,684.96 = 13,172.31/x
  3. Step 3: Cross multiply
    46,454.88x = 69,684.96 × 13,172.31
  4. Step 4: Simplify right side
    46,454.88x = 917,911,772.77
  5. Step 5: Solve for x
    x = 917,911,772.77/46,454.88
  6. Step 6: Final answer
    x = 19,759.21

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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.