Home / 28,554.44-42,831.66-11,922.32

Finding the Fourth Proportional to 28,554.44, 42,831.66 and 11,922.32

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Solution

The fourth proportional to 28,554.44, 42,831.66 and 11,922.32 is: 17,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554.44 : 42,831.66 = 11,922.32 : x
  2. Step 2: Convert to fraction form
    28,554.44/42,831.66 = 11,922.32/x
  3. Step 3: Cross multiply
    28,554.44x = 42,831.66 × 11,922.32
  4. Step 4: Simplify right side
    28,554.44x = 510,652,756.65
  5. Step 5: Solve for x
    x = 510,652,756.65/28,554.44
  6. Step 6: Final answer
    x = 17,883.48

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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.