Home / 25,453.81-38,180.72-7,925.41

Finding the Fourth Proportional to 25,453.81, 38,180.72 and 7,925.41

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Solution

The fourth proportional to 25,453.81, 38,180.72 and 7,925.41 is: 11,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.81 : 38,180.72 = 7,925.41 : x
  2. Step 2: Convert to fraction form
    25,453.81/38,180.72 = 7,925.41/x
  3. Step 3: Cross multiply
    25,453.81x = 38,180.72 × 7,925.41
  4. Step 4: Simplify right side
    25,453.81x = 302,597,860.10
  5. Step 5: Solve for x
    x = 302,597,860.10/25,453.81
  6. Step 6: Final answer
    x = 11,888.12

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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.