Home / 20,159.93-30,069.80-17,506.57

Finding the Fourth Proportional to 20,159.93, 30,069.80 and 17,506.57

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Solution

The fourth proportional to 20,159.93, 30,069.80 and 17,506.57 is: 26,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.93 : 30,069.80 = 17,506.57 : x
  2. Step 2: Convert to fraction form
    20,159.93/30,069.80 = 17,506.57/x
  3. Step 3: Cross multiply
    20,159.93x = 30,069.80 × 17,506.57
  4. Step 4: Simplify right side
    20,159.93x = 526,419,058.59
  5. Step 5: Solve for x
    x = 526,419,058.59/20,159.93
  6. Step 6: Final answer
    x = 26,112.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.