Home / 25,274.40-37,911.60-15,432.90

Finding the Fourth Proportional to 25,274.40, 37,911.60 and 15,432.90

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Solution

The fourth proportional to 25,274.40, 37,911.60 and 15,432.90 is: 23,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.40 : 37,911.60 = 15,432.90 : x
  2. Step 2: Convert to fraction form
    25,274.40/37,911.60 = 15,432.90/x
  3. Step 3: Cross multiply
    25,274.40x = 37,911.60 × 15,432.90
  4. Step 4: Simplify right side
    25,274.40x = 585,085,931.64
  5. Step 5: Solve for x
    x = 585,085,931.64/25,274.40
  6. Step 6: Final answer
    x = 23,149.35

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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.