Home / 19,647.36-29,475.90-9,256.68

Finding the Fourth Proportional to 19,647.36, 29,475.90 and 9,256.68

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Solution

The fourth proportional to 19,647.36, 29,475.90 and 9,256.68 is: 13,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.36 : 29,475.90 = 9,256.68 : x
  2. Step 2: Convert to fraction form
    19,647.36/29,475.90 = 9,256.68/x
  3. Step 3: Cross multiply
    19,647.36x = 29,475.90 × 9,256.68
  4. Step 4: Simplify right side
    19,647.36x = 272,848,974.01
  5. Step 5: Solve for x
    x = 272,848,974.01/19,647.36
  6. Step 6: Final answer
    x = 13,887.31

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1.5x scale

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.