Home / 19,788.42-27,308.07-10,835.99

Finding the Fourth Proportional to 19,788.42, 27,308.07 and 10,835.99

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Solution

The fourth proportional to 19,788.42, 27,308.07 and 10,835.99 is: 14,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.42 : 27,308.07 = 10,835.99 : x
  2. Step 2: Convert to fraction form
    19,788.42/27,308.07 = 10,835.99/x
  3. Step 3: Cross multiply
    19,788.42x = 27,308.07 × 10,835.99
  4. Step 4: Simplify right side
    19,788.42x = 295,909,836.90
  5. Step 5: Solve for x
    x = 295,909,836.90/19,788.42
  6. Step 6: Final answer
    x = 14,953.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.