Home / 35,863.68-53,774.30-13,678.58

Finding the Fourth Proportional to 35,863.68, 53,774.30 and 13,678.58

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Solution

The fourth proportional to 35,863.68, 53,774.30 and 13,678.58 is: 20,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,863.68 : 53,774.30 = 13,678.58 : x
  2. Step 2: Convert to fraction form
    35,863.68/53,774.30 = 13,678.58/x
  3. Step 3: Cross multiply
    35,863.68x = 53,774.30 × 13,678.58
  4. Step 4: Simplify right side
    35,863.68x = 735,556,064.49
  5. Step 5: Solve for x
    x = 735,556,064.49/35,863.68
  6. Step 6: Final answer
    x = 20,509.78

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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.