Home / 26,078.89-35,995.16-15,326.14

Finding the Fourth Proportional to 26,078.89, 35,995.16 and 15,326.14

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Solution

The fourth proportional to 26,078.89, 35,995.16 and 15,326.14 is: 21,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.89 : 35,995.16 = 15,326.14 : x
  2. Step 2: Convert to fraction form
    26,078.89/35,995.16 = 15,326.14/x
  3. Step 3: Cross multiply
    26,078.89x = 35,995.16 × 15,326.14
  4. Step 4: Simplify right side
    26,078.89x = 551,666,861.48
  5. Step 5: Solve for x
    x = 551,666,861.48/26,078.89
  6. Step 6: Final answer
    x = 21,153.77

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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.