Home / 14,561.37-20,111.22-9,837.45

Finding the Fourth Proportional to 14,561.37, 20,111.22 and 9,837.45

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Solution

The fourth proportional to 14,561.37, 20,111.22 and 9,837.45 is: 13,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.37 : 20,111.22 = 9,837.45 : x
  2. Step 2: Convert to fraction form
    14,561.37/20,111.22 = 9,837.45/x
  3. Step 3: Cross multiply
    14,561.37x = 20,111.22 × 9,837.45
  4. Step 4: Simplify right side
    14,561.37x = 197,843,121.19
  5. Step 5: Solve for x
    x = 197,843,121.19/14,561.37
  6. Step 6: Final answer
    x = 13,586.85

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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.