Home / 19,307.73-26,644.39-10,809.82

Finding the Fourth Proportional to 19,307.73, 26,644.39 and 10,809.82

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Solution

The fourth proportional to 19,307.73, 26,644.39 and 10,809.82 is: 14,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.73 : 26,644.39 = 10,809.82 : x
  2. Step 2: Convert to fraction form
    19,307.73/26,644.39 = 10,809.82/x
  3. Step 3: Cross multiply
    19,307.73x = 26,644.39 × 10,809.82
  4. Step 4: Simplify right side
    19,307.73x = 288,021,144.42
  5. Step 5: Solve for x
    x = 288,021,144.42/19,307.73
  6. Step 6: Final answer
    x = 14,917.40

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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.