Home / 20,597.63-28,436.92-13,050.38

Finding the Fourth Proportional to 20,597.63, 28,436.92 and 13,050.38

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Solution

The fourth proportional to 20,597.63, 28,436.92 and 13,050.38 is: 18,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.63 : 28,436.92 = 13,050.38 : x
  2. Step 2: Convert to fraction form
    20,597.63/28,436.92 = 13,050.38/x
  3. Step 3: Cross multiply
    20,597.63x = 28,436.92 × 13,050.38
  4. Step 4: Simplify right side
    20,597.63x = 371,112,650.50
  5. Step 5: Solve for x
    x = 371,112,650.50/20,597.63
  6. Step 6: Final answer
    x = 18,017.25

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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.