Home / 26,259.28-39,368.44-13,105.04

Finding the Fourth Proportional to 26,259.28, 39,368.44 and 13,105.04

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Solution

The fourth proportional to 26,259.28, 39,368.44 and 13,105.04 is: 19,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,259.28 : 39,368.44 = 13,105.04 : x
  2. Step 2: Convert to fraction form
    26,259.28/39,368.44 = 13,105.04/x
  3. Step 3: Cross multiply
    26,259.28x = 39,368.44 × 13,105.04
  4. Step 4: Simplify right side
    26,259.28x = 515,924,980.94
  5. Step 5: Solve for x
    x = 515,924,980.94/26,259.28
  6. Step 6: Final answer
    x = 19,647.34

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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.