Home / 26,317.56-36,301.26-15,699

Finding the Fourth Proportional to 26,317.56, 36,301.26 and 15,699

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Solution

The fourth proportional to 26,317.56, 36,301.26 and 15,699 is: 21,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,317.56 : 36,301.26 = 15,699 : x
  2. Step 2: Convert to fraction form
    26,317.56/36,301.26 = 15,699/x
  3. Step 3: Cross multiply
    26,317.56x = 36,301.26 × 15,699
  4. Step 4: Simplify right side
    26,317.56x = 569,893,480.74
  5. Step 5: Solve for x
    x = 569,893,480.74/26,317.56
  6. Step 6: Final answer
    x = 21,654.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.