Home / 15,364.07-21,204.44-8,651.01

Finding the Fourth Proportional to 15,364.07, 21,204.44 and 8,651.01

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Solution

The fourth proportional to 15,364.07, 21,204.44 and 8,651.01 is: 11,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.07 : 21,204.44 = 8,651.01 : x
  2. Step 2: Convert to fraction form
    15,364.07/21,204.44 = 8,651.01/x
  3. Step 3: Cross multiply
    15,364.07x = 21,204.44 × 8,651.01
  4. Step 4: Simplify right side
    15,364.07x = 183,439,855.88
  5. Step 5: Solve for x
    x = 183,439,855.88/15,364.07
  6. Step 6: Final answer
    x = 11,939.53

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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.