Home / 19,866.51-29,774.43-9,313.25

Finding the Fourth Proportional to 19,866.51, 29,774.43 and 9,313.25

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Solution

The fourth proportional to 19,866.51, 29,774.43 and 9,313.25 is: 13,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.51 : 29,774.43 = 9,313.25 : x
  2. Step 2: Convert to fraction form
    19,866.51/29,774.43 = 9,313.25/x
  3. Step 3: Cross multiply
    19,866.51x = 29,774.43 × 9,313.25
  4. Step 4: Simplify right side
    19,866.51x = 277,296,710.20
  5. Step 5: Solve for x
    x = 277,296,710.20/19,866.51
  6. Step 6: Final answer
    x = 13,958.00

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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.