Home / 26,109.06-39,177.09-12,961.14

Finding the Fourth Proportional to 26,109.06, 39,177.09 and 12,961.14

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Solution

The fourth proportional to 26,109.06, 39,177.09 and 12,961.14 is: 19,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.06 : 39,177.09 = 12,961.14 : x
  2. Step 2: Convert to fraction form
    26,109.06/39,177.09 = 12,961.14/x
  3. Step 3: Cross multiply
    26,109.06x = 39,177.09 × 12,961.14
  4. Step 4: Simplify right side
    26,109.06x = 507,779,748.28
  5. Step 5: Solve for x
    x = 507,779,748.28/26,109.06
  6. Step 6: Final answer
    x = 19,448.41

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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.