Home / 18,999.74-26,202.58-15,823.52

Finding the Fourth Proportional to 18,999.74, 26,202.58 and 15,823.52

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Solution

The fourth proportional to 18,999.74, 26,202.58 and 15,823.52 is: 21,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.74 : 26,202.58 = 15,823.52 : x
  2. Step 2: Convert to fraction form
    18,999.74/26,202.58 = 15,823.52/x
  3. Step 3: Cross multiply
    18,999.74x = 26,202.58 × 15,823.52
  4. Step 4: Simplify right side
    18,999.74x = 414,617,048.68
  5. Step 5: Solve for x
    x = 414,617,048.68/18,999.74
  6. Step 6: Final answer
    x = 21,822.25

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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.