Home / 25,078.81-34,611.64-14,325.38

Finding the Fourth Proportional to 25,078.81, 34,611.64 and 14,325.38

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Solution

The fourth proportional to 25,078.81, 34,611.64 and 14,325.38 is: 19,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.81 : 34,611.64 = 14,325.38 : x
  2. Step 2: Convert to fraction form
    25,078.81/34,611.64 = 14,325.38/x
  3. Step 3: Cross multiply
    25,078.81x = 34,611.64 × 14,325.38
  4. Step 4: Simplify right side
    25,078.81x = 495,824,650.74
  5. Step 5: Solve for x
    x = 495,824,650.74/25,078.81
  6. Step 6: Final answer
    x = 19,770.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.