Home / 20,592.64-30,830.10-19,284.79

Finding the Fourth Proportional to 20,592.64, 30,830.10 and 19,284.79

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Solution

The fourth proportional to 20,592.64, 30,830.10 and 19,284.79 is: 28,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.64 : 30,830.10 = 19,284.79 : x
  2. Step 2: Convert to fraction form
    20,592.64/30,830.10 = 19,284.79/x
  3. Step 3: Cross multiply
    20,592.64x = 30,830.10 × 19,284.79
  4. Step 4: Simplify right side
    20,592.64x = 594,552,004.18
  5. Step 5: Solve for x
    x = 594,552,004.18/20,592.64
  6. Step 6: Final answer
    x = 28,872.06

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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.