Home / 23,106.80-31,858.44-19,283.91

Finding the Fourth Proportional to 23,106.80, 31,858.44 and 19,283.91

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Solution

The fourth proportional to 23,106.80, 31,858.44 and 19,283.91 is: 26,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,106.80 : 31,858.44 = 19,283.91 : x
  2. Step 2: Convert to fraction form
    23,106.80/31,858.44 = 19,283.91/x
  3. Step 3: Cross multiply
    23,106.80x = 31,858.44 × 19,283.91
  4. Step 4: Simplify right side
    23,106.80x = 614,355,289.70
  5. Step 5: Solve for x
    x = 614,355,289.70/23,106.80
  6. Step 6: Final answer
    x = 26,587.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.