Home / 25,430.96-38,119.24-9,628.56

Finding the Fourth Proportional to 25,430.96, 38,119.24 and 9,628.56

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Solution

The fourth proportional to 25,430.96, 38,119.24 and 9,628.56 is: 14,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.96 : 38,119.24 = 9,628.56 : x
  2. Step 2: Convert to fraction form
    25,430.96/38,119.24 = 9,628.56/x
  3. Step 3: Cross multiply
    25,430.96x = 38,119.24 × 9,628.56
  4. Step 4: Simplify right side
    25,430.96x = 367,033,389.49
  5. Step 5: Solve for x
    x = 367,033,389.49/25,430.96
  6. Step 6: Final answer
    x = 14,432.54

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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.