Home / 13,022.48-17,952.36-9,290

Finding the Fourth Proportional to 13,022.48, 17,952.36 and 9,290

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Solution

The fourth proportional to 13,022.48, 17,952.36 and 9,290 is: 12,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.48 : 17,952.36 = 9,290 : x
  2. Step 2: Convert to fraction form
    13,022.48/17,952.36 = 9,290/x
  3. Step 3: Cross multiply
    13,022.48x = 17,952.36 × 9,290
  4. Step 4: Simplify right side
    13,022.48x = 166,777,424.40
  5. Step 5: Solve for x
    x = 166,777,424.40/13,022.48
  6. Step 6: Final answer
    x = 12,806.89

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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.