Home / 19,205.26-26,503.47-10,821.58

Finding the Fourth Proportional to 19,205.26, 26,503.47 and 10,821.58

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Solution

The fourth proportional to 19,205.26, 26,503.47 and 10,821.58 is: 14,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.26 : 26,503.47 = 10,821.58 : x
  2. Step 2: Convert to fraction form
    19,205.26/26,503.47 = 10,821.58/x
  3. Step 3: Cross multiply
    19,205.26x = 26,503.47 × 10,821.58
  4. Step 4: Simplify right side
    19,205.26x = 286,809,420.88
  5. Step 5: Solve for x
    x = 286,809,420.88/19,205.26
  6. Step 6: Final answer
    x = 14,933.90

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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.