Home / 18,539.58-25,588.62-11,823.72

Finding the Fourth Proportional to 18,539.58, 25,588.62 and 11,823.72

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Solution

The fourth proportional to 18,539.58, 25,588.62 and 11,823.72 is: 16,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.58 : 25,588.62 = 11,823.72 : x
  2. Step 2: Convert to fraction form
    18,539.58/25,588.62 = 11,823.72/x
  3. Step 3: Cross multiply
    18,539.58x = 25,588.62 × 11,823.72
  4. Step 4: Simplify right side
    18,539.58x = 302,552,678.07
  5. Step 5: Solve for x
    x = 302,552,678.07/18,539.58
  6. Step 6: Final answer
    x = 16,319.28

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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.