Home / 19,205.93-26,503.14-10,821.89

Finding the Fourth Proportional to 19,205.93, 26,503.14 and 10,821.89

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Solution

The fourth proportional to 19,205.93, 26,503.14 and 10,821.89 is: 14,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.93 : 26,503.14 = 10,821.89 : x
  2. Step 2: Convert to fraction form
    19,205.93/26,503.14 = 10,821.89/x
  3. Step 3: Cross multiply
    19,205.93x = 26,503.14 × 10,821.89
  4. Step 4: Simplify right side
    19,205.93x = 286,814,065.73
  5. Step 5: Solve for x
    x = 286,814,065.73/19,205.93
  6. Step 6: Final answer
    x = 14,933.62

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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.