Home / 12,127.22-18,226.74-10,060.64

Finding the Fourth Proportional to 12,127.22, 18,226.74 and 10,060.64

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Solution

The fourth proportional to 12,127.22, 18,226.74 and 10,060.64 is: 15,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.22 : 18,226.74 = 10,060.64 : x
  2. Step 2: Convert to fraction form
    12,127.22/18,226.74 = 10,060.64/x
  3. Step 3: Cross multiply
    12,127.22x = 18,226.74 × 10,060.64
  4. Step 4: Simplify right side
    12,127.22x = 183,372,669.51
  5. Step 5: Solve for x
    x = 183,372,669.51/12,127.22
  6. Step 6: Final answer
    x = 15,120.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.