Home / 25,606.95-38,384.88-12,255.32

Finding the Fourth Proportional to 25,606.95, 38,384.88 and 12,255.32

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Solution

The fourth proportional to 25,606.95, 38,384.88 and 12,255.32 is: 18,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,606.95 : 38,384.88 = 12,255.32 : x
  2. Step 2: Convert to fraction form
    25,606.95/38,384.88 = 12,255.32/x
  3. Step 3: Cross multiply
    25,606.95x = 38,384.88 × 12,255.32
  4. Step 4: Simplify right side
    25,606.95x = 470,418,795.64
  5. Step 5: Solve for x
    x = 470,418,795.64/25,606.95
  6. Step 6: Final answer
    x = 18,370.75

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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.