Home / 13,231.96-19,852.52-8,807.40

Finding the Fourth Proportional to 13,231.96, 19,852.52 and 8,807.40

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Solution

The fourth proportional to 13,231.96, 19,852.52 and 8,807.40 is: 13,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.96 : 19,852.52 = 8,807.40 : x
  2. Step 2: Convert to fraction form
    13,231.96/19,852.52 = 8,807.40/x
  3. Step 3: Cross multiply
    13,231.96x = 19,852.52 × 8,807.40
  4. Step 4: Simplify right side
    13,231.96x = 174,849,084.65
  5. Step 5: Solve for x
    x = 174,849,084.65/13,231.96
  6. Step 6: Final answer
    x = 13,214.15

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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.