Home / 17,868.32-26,803.56-5,218.46

Finding the Fourth Proportional to 17,868.32, 26,803.56 and 5,218.46

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Solution

The fourth proportional to 17,868.32, 26,803.56 and 5,218.46 is: 7,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.32 : 26,803.56 = 5,218.46 : x
  2. Step 2: Convert to fraction form
    17,868.32/26,803.56 = 5,218.46/x
  3. Step 3: Cross multiply
    17,868.32x = 26,803.56 × 5,218.46
  4. Step 4: Simplify right side
    17,868.32x = 139,873,305.72
  5. Step 5: Solve for x
    x = 139,873,305.72/17,868.32
  6. Step 6: Final answer
    x = 7,828.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.