Home / 26,373.66-36,378.86-18,412.98

Finding the Fourth Proportional to 26,373.66, 36,378.86 and 18,412.98

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Solution

The fourth proportional to 26,373.66, 36,378.86 and 18,412.98 is: 25,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,373.66 : 36,378.86 = 18,412.98 : x
  2. Step 2: Convert to fraction form
    26,373.66/36,378.86 = 18,412.98/x
  3. Step 3: Cross multiply
    26,373.66x = 36,378.86 × 18,412.98
  4. Step 4: Simplify right side
    26,373.66x = 669,843,129.54
  5. Step 5: Solve for x
    x = 669,843,129.54/26,373.66
  6. Step 6: Final answer
    x = 25,398.19

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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.