Home / 25,368.76-38,048.69-7,838.74

Finding the Fourth Proportional to 25,368.76, 38,048.69 and 7,838.74

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Solution

The fourth proportional to 25,368.76, 38,048.69 and 7,838.74 is: 11,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.76 : 38,048.69 = 7,838.74 : x
  2. Step 2: Convert to fraction form
    25,368.76/38,048.69 = 7,838.74/x
  3. Step 3: Cross multiply
    25,368.76x = 38,048.69 × 7,838.74
  4. Step 4: Simplify right side
    25,368.76x = 298,253,811.32
  5. Step 5: Solve for x
    x = 298,253,811.32/25,368.76
  6. Step 6: Final answer
    x = 11,756.74

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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.