Home / 22,148.09-30,539.53-18,102.36

Finding the Fourth Proportional to 22,148.09, 30,539.53 and 18,102.36

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Solution

The fourth proportional to 22,148.09, 30,539.53 and 18,102.36 is: 24,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.09 : 30,539.53 = 18,102.36 : x
  2. Step 2: Convert to fraction form
    22,148.09/30,539.53 = 18,102.36/x
  3. Step 3: Cross multiply
    22,148.09x = 30,539.53 × 18,102.36
  4. Step 4: Simplify right side
    22,148.09x = 552,837,521.03
  5. Step 5: Solve for x
    x = 552,837,521.03/22,148.09
  6. Step 6: Final answer
    x = 24,960.96

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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.