Home / 25,429.64-38,089.20-14,330.48

Finding the Fourth Proportional to 25,429.64, 38,089.20 and 14,330.48

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Solution

The fourth proportional to 25,429.64, 38,089.20 and 14,330.48 is: 21,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.64 : 38,089.20 = 14,330.48 : x
  2. Step 2: Convert to fraction form
    25,429.64/38,089.20 = 14,330.48/x
  3. Step 3: Cross multiply
    25,429.64x = 38,089.20 × 14,330.48
  4. Step 4: Simplify right side
    25,429.64x = 545,836,518.82
  5. Step 5: Solve for x
    x = 545,836,518.82/25,429.64
  6. Step 6: Final answer
    x = 21,464.58

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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.