Home / 13,709.42-20,542.58-10,597.04

Finding the Fourth Proportional to 13,709.42, 20,542.58 and 10,597.04

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Solution

The fourth proportional to 13,709.42, 20,542.58 and 10,597.04 is: 15,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.42 : 20,542.58 = 10,597.04 : x
  2. Step 2: Convert to fraction form
    13,709.42/20,542.58 = 10,597.04/x
  3. Step 3: Cross multiply
    13,709.42x = 20,542.58 × 10,597.04
  4. Step 4: Simplify right side
    13,709.42x = 217,690,618.59
  5. Step 5: Solve for x
    x = 217,690,618.59/13,709.42
  6. Step 6: Final answer
    x = 15,878.91

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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.