Home / 25,058.58-37,555.32-18,769.20

Finding the Fourth Proportional to 25,058.58, 37,555.32 and 18,769.20

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Solution

The fourth proportional to 25,058.58, 37,555.32 and 18,769.20 is: 28,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,058.58 : 37,555.32 = 18,769.20 : x
  2. Step 2: Convert to fraction form
    25,058.58/37,555.32 = 18,769.20/x
  3. Step 3: Cross multiply
    25,058.58x = 37,555.32 × 18,769.20
  4. Step 4: Simplify right side
    25,058.58x = 704,883,312.14
  5. Step 5: Solve for x
    x = 704,883,312.14/25,058.58
  6. Step 6: Final answer
    x = 28,129.42

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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.