Home / 19,639.76-27,117.60-12,096.48

Finding the Fourth Proportional to 19,639.76, 27,117.60 and 12,096.48

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Solution

The fourth proportional to 19,639.76, 27,117.60 and 12,096.48 is: 16,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.76 : 27,117.60 = 12,096.48 : x
  2. Step 2: Convert to fraction form
    19,639.76/27,117.60 = 12,096.48/x
  3. Step 3: Cross multiply
    19,639.76x = 27,117.60 × 12,096.48
  4. Step 4: Simplify right side
    19,639.76x = 328,027,506.05
  5. Step 5: Solve for x
    x = 328,027,506.05/19,639.76
  6. Step 6: Final answer
    x = 16,702.22

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1.5x scale

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.