Home / 46,468.21-69,702.19-13,188.31

Finding the Fourth Proportional to 46,468.21, 69,702.19 and 13,188.31

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Solution

The fourth proportional to 46,468.21, 69,702.19 and 13,188.31 is: 19,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,468.21 : 69,702.19 = 13,188.31 : x
  2. Step 2: Convert to fraction form
    46,468.21/69,702.19 = 13,188.31/x
  3. Step 3: Cross multiply
    46,468.21x = 69,702.19 × 13,188.31
  4. Step 4: Simplify right side
    46,468.21x = 919,254,087.05
  5. Step 5: Solve for x
    x = 919,254,087.05/46,468.21
  6. Step 6: Final answer
    x = 19,782.43

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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.