Home / 20,546.79-28,358.67-11,594.40

Finding the Fourth Proportional to 20,546.79, 28,358.67 and 11,594.40

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Solution

The fourth proportional to 20,546.79, 28,358.67 and 11,594.40 is: 16,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.79 : 28,358.67 = 11,594.40 : x
  2. Step 2: Convert to fraction form
    20,546.79/28,358.67 = 11,594.40/x
  3. Step 3: Cross multiply
    20,546.79x = 28,358.67 × 11,594.40
  4. Step 4: Simplify right side
    20,546.79x = 328,801,763.45
  5. Step 5: Solve for x
    x = 328,801,763.45/20,546.79
  6. Step 6: Final answer
    x = 16,002.59

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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.