Home / 19,354.80-29,025.36-9,221.94

Finding the Fourth Proportional to 19,354.80, 29,025.36 and 9,221.94

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Solution

The fourth proportional to 19,354.80, 29,025.36 and 9,221.94 is: 13,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.80 : 29,025.36 = 9,221.94 : x
  2. Step 2: Convert to fraction form
    19,354.80/29,025.36 = 9,221.94/x
  3. Step 3: Cross multiply
    19,354.80x = 29,025.36 × 9,221.94
  4. Step 4: Simplify right side
    19,354.80x = 267,670,128.40
  5. Step 5: Solve for x
    x = 267,670,128.40/19,354.80
  6. Step 6: Final answer
    x = 13,829.65

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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.