Home / 25,102.42-34,642.43-15,032.50

Finding the Fourth Proportional to 25,102.42, 34,642.43 and 15,032.50

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Solution

The fourth proportional to 25,102.42, 34,642.43 and 15,032.50 is: 20,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.42 : 34,642.43 = 15,032.50 : x
  2. Step 2: Convert to fraction form
    25,102.42/34,642.43 = 15,032.50/x
  3. Step 3: Cross multiply
    25,102.42x = 34,642.43 × 15,032.50
  4. Step 4: Simplify right side
    25,102.42x = 520,762,253.81
  5. Step 5: Solve for x
    x = 520,762,253.81/25,102.42
  6. Step 6: Final answer
    x = 20,745.50

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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.