Home / 18,880.75-26,055.44-10,383.02

Finding the Fourth Proportional to 18,880.75, 26,055.44 and 10,383.02

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Solution

The fourth proportional to 18,880.75, 26,055.44 and 10,383.02 is: 14,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.75 : 26,055.44 = 10,383.02 : x
  2. Step 2: Convert to fraction form
    18,880.75/26,055.44 = 10,383.02/x
  3. Step 3: Cross multiply
    18,880.75x = 26,055.44 × 10,383.02
  4. Step 4: Simplify right side
    18,880.75x = 270,534,154.63
  5. Step 5: Solve for x
    x = 270,534,154.63/18,880.75
  6. Step 6: Final answer
    x = 14,328.57

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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.