Home / 31,222.64-46,852.44-11,515.04

Finding the Fourth Proportional to 31,222.64, 46,852.44 and 11,515.04

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Solution

The fourth proportional to 31,222.64, 46,852.44 and 11,515.04 is: 17,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,222.64 : 46,852.44 = 11,515.04 : x
  2. Step 2: Convert to fraction form
    31,222.64/46,852.44 = 11,515.04/x
  3. Step 3: Cross multiply
    31,222.64x = 46,852.44 × 11,515.04
  4. Step 4: Simplify right side
    31,222.64x = 539,507,720.70
  5. Step 5: Solve for x
    x = 539,507,720.70/31,222.64
  6. Step 6: Final answer
    x = 17,279.38

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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.