Home / 25,762.96-38,581.08-12,572.80

Finding the Fourth Proportional to 25,762.96, 38,581.08 and 12,572.80

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Solution

The fourth proportional to 25,762.96, 38,581.08 and 12,572.80 is: 18,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,762.96 : 38,581.08 = 12,572.80 : x
  2. Step 2: Convert to fraction form
    25,762.96/38,581.08 = 12,572.80/x
  3. Step 3: Cross multiply
    25,762.96x = 38,581.08 × 12,572.80
  4. Step 4: Simplify right side
    25,762.96x = 485,072,202.62
  5. Step 5: Solve for x
    x = 485,072,202.62/25,762.96
  6. Step 6: Final answer
    x = 18,828.28

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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.