Home / 19,848.30-29,772.45-16,640.70

Finding the Fourth Proportional to 19,848.30, 29,772.45 and 16,640.70

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Solution

The fourth proportional to 19,848.30, 29,772.45 and 16,640.70 is: 24,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.30 : 29,772.45 = 16,640.70 : x
  2. Step 2: Convert to fraction form
    19,848.30/29,772.45 = 16,640.70/x
  3. Step 3: Cross multiply
    19,848.30x = 29,772.45 × 16,640.70
  4. Step 4: Simplify right side
    19,848.30x = 495,434,408.72
  5. Step 5: Solve for x
    x = 495,434,408.72/19,848.30
  6. Step 6: Final answer
    x = 24,961.05

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1.5x scale

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.