Home / 26,750.58-36,914.96-15,420.12

Finding the Fourth Proportional to 26,750.58, 36,914.96 and 15,420.12

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Solution

The fourth proportional to 26,750.58, 36,914.96 and 15,420.12 is: 21,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.58 : 36,914.96 = 15,420.12 : x
  2. Step 2: Convert to fraction form
    26,750.58/36,914.96 = 15,420.12/x
  3. Step 3: Cross multiply
    26,750.58x = 36,914.96 × 15,420.12
  4. Step 4: Simplify right side
    26,750.58x = 569,233,035.89
  5. Step 5: Solve for x
    x = 569,233,035.89/26,750.58
  6. Step 6: Final answer
    x = 21,279.28

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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.