Home / 14,212.65-21,300.75-6,806.01

Finding the Fourth Proportional to 14,212.65, 21,300.75 and 6,806.01

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Solution

The fourth proportional to 14,212.65, 21,300.75 and 6,806.01 is: 10,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.65 : 21,300.75 = 6,806.01 : x
  2. Step 2: Convert to fraction form
    14,212.65/21,300.75 = 6,806.01/x
  3. Step 3: Cross multiply
    14,212.65x = 21,300.75 × 6,806.01
  4. Step 4: Simplify right side
    14,212.65x = 144,973,117.51
  5. Step 5: Solve for x
    x = 144,973,117.51/14,212.65
  6. Step 6: Final answer
    x = 10,200.29

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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.