Home / 25,615.36-38,199.56-22,783.60

Finding the Fourth Proportional to 25,615.36, 38,199.56 and 22,783.60

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Solution

The fourth proportional to 25,615.36, 38,199.56 and 22,783.60 is: 33,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.36 : 38,199.56 = 22,783.60 : x
  2. Step 2: Convert to fraction form
    25,615.36/38,199.56 = 22,783.60/x
  3. Step 3: Cross multiply
    25,615.36x = 38,199.56 × 22,783.60
  4. Step 4: Simplify right side
    25,615.36x = 870,323,495.22
  5. Step 5: Solve for x
    x = 870,323,495.22/25,615.36
  6. Step 6: Final answer
    x = 33,976.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.