Home / 33,123.24-45,698.40-18,780.93

Finding the Fourth Proportional to 33,123.24, 45,698.40 and 18,780.93

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Solution

The fourth proportional to 33,123.24, 45,698.40 and 18,780.93 is: 25,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.24 : 45,698.40 = 18,780.93 : x
  2. Step 2: Convert to fraction form
    33,123.24/45,698.40 = 18,780.93/x
  3. Step 3: Cross multiply
    33,123.24x = 45,698.40 × 18,780.93
  4. Step 4: Simplify right side
    33,123.24x = 858,258,451.51
  5. Step 5: Solve for x
    x = 858,258,451.51/33,123.24
  6. Step 6: Final answer
    x = 25,911.07

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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.