Home / 14,698.51-20,283.36-7,984

Finding the Fourth Proportional to 14,698.51, 20,283.36 and 7,984

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Solution

The fourth proportional to 14,698.51, 20,283.36 and 7,984 is: 11,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698.51 : 20,283.36 = 7,984 : x
  2. Step 2: Convert to fraction form
    14,698.51/20,283.36 = 7,984/x
  3. Step 3: Cross multiply
    14,698.51x = 20,283.36 × 7,984
  4. Step 4: Simplify right side
    14,698.51x = 161,942,346.24
  5. Step 5: Solve for x
    x = 161,942,346.24/14,698.51
  6. Step 6: Final answer
    x = 11,017.60

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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.