Home / 26,280.78-39,421.26-6,559.32

Finding the Fourth Proportional to 26,280.78, 39,421.26 and 6,559.32

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Solution

The fourth proportional to 26,280.78, 39,421.26 and 6,559.32 is: 9,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.78 : 39,421.26 = 6,559.32 : x
  2. Step 2: Convert to fraction form
    26,280.78/39,421.26 = 6,559.32/x
  3. Step 3: Cross multiply
    26,280.78x = 39,421.26 × 6,559.32
  4. Step 4: Simplify right side
    26,280.78x = 258,576,659.14
  5. Step 5: Solve for x
    x = 258,576,659.14/26,280.78
  6. Step 6: Final answer
    x = 9,839.00

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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.