Home / 13,530.69-20,296.04-4,763.59

Finding the Fourth Proportional to 13,530.69, 20,296.04 and 4,763.59

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Solution

The fourth proportional to 13,530.69, 20,296.04 and 4,763.59 is: 7,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.69 : 20,296.04 = 4,763.59 : x
  2. Step 2: Convert to fraction form
    13,530.69/20,296.04 = 4,763.59/x
  3. Step 3: Cross multiply
    13,530.69x = 20,296.04 × 4,763.59
  4. Step 4: Simplify right side
    13,530.69x = 96,681,938.63
  5. Step 5: Solve for x
    x = 96,681,938.63/13,530.69
  6. Step 6: Final answer
    x = 7,145.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.