Home / 13,984.88-19,299.43-7,697.25

Finding the Fourth Proportional to 13,984.88, 19,299.43 and 7,697.25

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Solution

The fourth proportional to 13,984.88, 19,299.43 and 7,697.25 is: 10,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.88 : 19,299.43 = 7,697.25 : x
  2. Step 2: Convert to fraction form
    13,984.88/19,299.43 = 7,697.25/x
  3. Step 3: Cross multiply
    13,984.88x = 19,299.43 × 7,697.25
  4. Step 4: Simplify right side
    13,984.88x = 148,552,547.19
  5. Step 5: Solve for x
    x = 148,552,547.19/13,984.88
  6. Step 6: Final answer
    x = 10,622.37

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1.5x scale

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.