Home / 26,013.36-39,021.75-9,144.32

Finding the Fourth Proportional to 26,013.36, 39,021.75 and 9,144.32

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Solution

The fourth proportional to 26,013.36, 39,021.75 and 9,144.32 is: 13,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.36 : 39,021.75 = 9,144.32 : x
  2. Step 2: Convert to fraction form
    26,013.36/39,021.75 = 9,144.32/x
  3. Step 3: Cross multiply
    26,013.36x = 39,021.75 × 9,144.32
  4. Step 4: Simplify right side
    26,013.36x = 356,827,368.96
  5. Step 5: Solve for x
    x = 356,827,368.96/26,013.36
  6. Step 6: Final answer
    x = 13,717.08

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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.