Home / 18,684.03-25,783.47-10,186.32

Finding the Fourth Proportional to 18,684.03, 25,783.47 and 10,186.32

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Solution

The fourth proportional to 18,684.03, 25,783.47 and 10,186.32 is: 14,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.03 : 25,783.47 = 10,186.32 : x
  2. Step 2: Convert to fraction form
    18,684.03/25,783.47 = 10,186.32/x
  3. Step 3: Cross multiply
    18,684.03x = 25,783.47 × 10,186.32
  4. Step 4: Simplify right side
    18,684.03x = 262,638,676.13
  5. Step 5: Solve for x
    x = 262,638,676.13/18,684.03
  6. Step 6: Final answer
    x = 14,056.85

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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.