Home / 15,256.06-21,050.93-8,541.97

Finding the Fourth Proportional to 15,256.06, 21,050.93 and 8,541.97

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Solution

The fourth proportional to 15,256.06, 21,050.93 and 8,541.97 is: 11,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.06 : 21,050.93 = 8,541.97 : x
  2. Step 2: Convert to fraction form
    15,256.06/21,050.93 = 8,541.97/x
  3. Step 3: Cross multiply
    15,256.06x = 21,050.93 × 8,541.97
  4. Step 4: Simplify right side
    15,256.06x = 179,816,412.53
  5. Step 5: Solve for x
    x = 179,816,412.53/15,256.06
  6. Step 6: Final answer
    x = 11,786.56

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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.