Home / 20,554.06-28,364.70-11,601.94

Finding the Fourth Proportional to 20,554.06, 28,364.70 and 11,601.94

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Solution

The fourth proportional to 20,554.06, 28,364.70 and 11,601.94 is: 16,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.06 : 28,364.70 = 11,601.94 : x
  2. Step 2: Convert to fraction form
    20,554.06/28,364.70 = 11,601.94/x
  3. Step 3: Cross multiply
    20,554.06x = 28,364.70 × 11,601.94
  4. Step 4: Simplify right side
    20,554.06x = 329,085,547.52
  5. Step 5: Solve for x
    x = 329,085,547.52/20,554.06
  6. Step 6: Final answer
    x = 16,010.73

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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.