Home / 25,050.72-34,570.39-13,720.02

Finding the Fourth Proportional to 25,050.72, 34,570.39 and 13,720.02

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Solution

The fourth proportional to 25,050.72, 34,570.39 and 13,720.02 is: 18,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,050.72 : 34,570.39 = 13,720.02 : x
  2. Step 2: Convert to fraction form
    25,050.72/34,570.39 = 13,720.02/x
  3. Step 3: Cross multiply
    25,050.72x = 34,570.39 × 13,720.02
  4. Step 4: Simplify right side
    25,050.72x = 474,306,442.21
  5. Step 5: Solve for x
    x = 474,306,442.21/25,050.72
  6. Step 6: Final answer
    x = 18,933.84

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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.