Home / 19,032.70-28,512.60-11,232.40

Finding the Fourth Proportional to 19,032.70, 28,512.60 and 11,232.40

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Solution

The fourth proportional to 19,032.70, 28,512.60 and 11,232.40 is: 16,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.70 : 28,512.60 = 11,232.40 : x
  2. Step 2: Convert to fraction form
    19,032.70/28,512.60 = 11,232.40/x
  3. Step 3: Cross multiply
    19,032.70x = 28,512.60 × 11,232.40
  4. Step 4: Simplify right side
    19,032.70x = 320,264,928.24
  5. Step 5: Solve for x
    x = 320,264,928.24/19,032.70
  6. Step 6: Final answer
    x = 16,827.09

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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.