Home / 31,205.46-46,766.79-13,656.18

Finding the Fourth Proportional to 31,205.46, 46,766.79 and 13,656.18

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Solution

The fourth proportional to 31,205.46, 46,766.79 and 13,656.18 is: 20,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,205.46 : 46,766.79 = 13,656.18 : x
  2. Step 2: Convert to fraction form
    31,205.46/46,766.79 = 13,656.18/x
  3. Step 3: Cross multiply
    31,205.46x = 46,766.79 × 13,656.18
  4. Step 4: Simplify right side
    31,205.46x = 638,655,702.26
  5. Step 5: Solve for x
    x = 638,655,702.26/31,205.46
  6. Step 6: Final answer
    x = 20,466.15

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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.