Home / 20,032.08-27,650.04-14,065.20

Finding the Fourth Proportional to 20,032.08, 27,650.04 and 14,065.20

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Solution

The fourth proportional to 20,032.08, 27,650.04 and 14,065.20 is: 19,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.08 : 27,650.04 = 14,065.20 : x
  2. Step 2: Convert to fraction form
    20,032.08/27,650.04 = 14,065.20/x
  3. Step 3: Cross multiply
    20,032.08x = 27,650.04 × 14,065.20
  4. Step 4: Simplify right side
    20,032.08x = 388,903,342.61
  5. Step 5: Solve for x
    x = 388,903,342.61/20,032.08
  6. Step 6: Final answer
    x = 19,414.03

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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.