Home / 19,612.61-29,417.56-11,286.48

Finding the Fourth Proportional to 19,612.61, 29,417.56 and 11,286.48

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Solution

The fourth proportional to 19,612.61, 29,417.56 and 11,286.48 is: 16,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.61 : 29,417.56 = 11,286.48 : x
  2. Step 2: Convert to fraction form
    19,612.61/29,417.56 = 11,286.48/x
  3. Step 3: Cross multiply
    19,612.61x = 29,417.56 × 11,286.48
  4. Step 4: Simplify right side
    19,612.61x = 332,020,702.59
  5. Step 5: Solve for x
    x = 332,020,702.59/19,612.61
  6. Step 6: Final answer
    x = 16,928.94

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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.