Home / 13,530.75-20,296.43-4,646.07

Finding the Fourth Proportional to 13,530.75, 20,296.43 and 4,646.07

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Solution

The fourth proportional to 13,530.75, 20,296.43 and 4,646.07 is: 6,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.75 : 20,296.43 = 4,646.07 : x
  2. Step 2: Convert to fraction form
    13,530.75/20,296.43 = 4,646.07/x
  3. Step 3: Cross multiply
    13,530.75x = 20,296.43 × 4,646.07
  4. Step 4: Simplify right side
    13,530.75x = 94,298,611.30
  5. Step 5: Solve for x
    x = 94,298,611.30/13,530.75
  6. Step 6: Final answer
    x = 6,969.21

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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.