Home / 13,870.44-19,141.11-7,582.83

Finding the Fourth Proportional to 13,870.44, 19,141.11 and 7,582.83

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Solution

The fourth proportional to 13,870.44, 19,141.11 and 7,582.83 is: 10,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.44 : 19,141.11 = 7,582.83 : x
  2. Step 2: Convert to fraction form
    13,870.44/19,141.11 = 7,582.83/x
  3. Step 3: Cross multiply
    13,870.44x = 19,141.11 × 7,582.83
  4. Step 4: Simplify right side
    13,870.44x = 145,143,783.14
  5. Step 5: Solve for x
    x = 145,143,783.14/13,870.44
  6. Step 6: Final answer
    x = 10,464.25

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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.