Home / 26,448.30-39,662.16-13,291.50

Finding the Fourth Proportional to 26,448.30, 39,662.16 and 13,291.50

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Solution

The fourth proportional to 26,448.30, 39,662.16 and 13,291.50 is: 19,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.30 : 39,662.16 = 13,291.50 : x
  2. Step 2: Convert to fraction form
    26,448.30/39,662.16 = 13,291.50/x
  3. Step 3: Cross multiply
    26,448.30x = 39,662.16 × 13,291.50
  4. Step 4: Simplify right side
    26,448.30x = 527,169,599.64
  5. Step 5: Solve for x
    x = 527,169,599.64/26,448.30
  6. Step 6: Final answer
    x = 19,932.08

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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.