Home / 14,094.40-19,450.62-7,721.32

Finding the Fourth Proportional to 14,094.40, 19,450.62 and 7,721.32

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Solution

The fourth proportional to 14,094.40, 19,450.62 and 7,721.32 is: 10,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.40 : 19,450.62 = 7,721.32 : x
  2. Step 2: Convert to fraction form
    14,094.40/19,450.62 = 7,721.32/x
  3. Step 3: Cross multiply
    14,094.40x = 19,450.62 × 7,721.32
  4. Step 4: Simplify right side
    14,094.40x = 150,184,461.22
  5. Step 5: Solve for x
    x = 150,184,461.22/14,094.40
  6. Step 6: Final answer
    x = 10,655.61

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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.