Home / 19,590.85-27,035.29-10,638.28

Finding the Fourth Proportional to 19,590.85, 27,035.29 and 10,638.28

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Solution

The fourth proportional to 19,590.85, 27,035.29 and 10,638.28 is: 14,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.85 : 27,035.29 = 10,638.28 : x
  2. Step 2: Convert to fraction form
    19,590.85/27,035.29 = 10,638.28/x
  3. Step 3: Cross multiply
    19,590.85x = 27,035.29 × 10,638.28
  4. Step 4: Simplify right side
    19,590.85x = 287,608,984.90
  5. Step 5: Solve for x
    x = 287,608,984.90/19,590.85
  6. Step 6: Final answer
    x = 14,680.78

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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.