Home / 26,579.99-39,864.48-11,779.46

Finding the Fourth Proportional to 26,579.99, 39,864.48 and 11,779.46

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Solution

The fourth proportional to 26,579.99, 39,864.48 and 11,779.46 is: 17,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.99 : 39,864.48 = 11,779.46 : x
  2. Step 2: Convert to fraction form
    26,579.99/39,864.48 = 11,779.46/x
  3. Step 3: Cross multiply
    26,579.99x = 39,864.48 × 11,779.46
  4. Step 4: Simplify right side
    26,579.99x = 469,581,848.26
  5. Step 5: Solve for x
    x = 469,581,848.26/26,579.99
  6. Step 6: Final answer
    x = 17,666.75

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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.