Home / 26,134.85-36,066.80-15,380.48

Finding the Fourth Proportional to 26,134.85, 36,066.80 and 15,380.48

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Solution

The fourth proportional to 26,134.85, 36,066.80 and 15,380.48 is: 21,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,134.85 : 36,066.80 = 15,380.48 : x
  2. Step 2: Convert to fraction form
    26,134.85/36,066.80 = 15,380.48/x
  3. Step 3: Cross multiply
    26,134.85x = 36,066.80 × 15,380.48
  4. Step 4: Simplify right side
    26,134.85x = 554,724,824.68
  5. Step 5: Solve for x
    x = 554,724,824.68/26,134.85
  6. Step 6: Final answer
    x = 21,225.48

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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.