Home / 26,779.90-40,174.30-9,245.02

Finding the Fourth Proportional to 26,779.90, 40,174.30 and 9,245.02

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Solution

The fourth proportional to 26,779.90, 40,174.30 and 9,245.02 is: 13,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,779.90 : 40,174.30 = 9,245.02 : x
  2. Step 2: Convert to fraction form
    26,779.90/40,174.30 = 9,245.02/x
  3. Step 3: Cross multiply
    26,779.90x = 40,174.30 × 9,245.02
  4. Step 4: Simplify right side
    26,779.90x = 371,412,206.99
  5. Step 5: Solve for x
    x = 371,412,206.99/26,779.90
  6. Step 6: Final answer
    x = 13,869.07

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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.