Home / 19,590.95-27,035.34-10,638.45

Finding the Fourth Proportional to 19,590.95, 27,035.34 and 10,638.45

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Solution

The fourth proportional to 19,590.95, 27,035.34 and 10,638.45 is: 14,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.95 : 27,035.34 = 10,638.45 : x
  2. Step 2: Convert to fraction form
    19,590.95/27,035.34 = 10,638.45/x
  3. Step 3: Cross multiply
    19,590.95x = 27,035.34 × 10,638.45
  4. Step 4: Simplify right side
    19,590.95x = 287,614,112.82
  5. Step 5: Solve for x
    x = 287,614,112.82/19,590.95
  6. Step 6: Final answer
    x = 14,680.97

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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.