Home / 25,821.45-38,736.21-11,030.45

Finding the Fourth Proportional to 25,821.45, 38,736.21 and 11,030.45

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Solution

The fourth proportional to 25,821.45, 38,736.21 and 11,030.45 is: 16,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.45 : 38,736.21 = 11,030.45 : x
  2. Step 2: Convert to fraction form
    25,821.45/38,736.21 = 11,030.45/x
  3. Step 3: Cross multiply
    25,821.45x = 38,736.21 × 11,030.45
  4. Step 4: Simplify right side
    25,821.45x = 427,277,633.91
  5. Step 5: Solve for x
    x = 427,277,633.91/25,821.45
  6. Step 6: Final answer
    x = 16,547.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.