Home / 19,042.64-28,563.65-5,191.64

Finding the Fourth Proportional to 19,042.64, 28,563.65 and 5,191.64

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Solution

The fourth proportional to 19,042.64, 28,563.65 and 5,191.64 is: 7,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.64 : 28,563.65 = 5,191.64 : x
  2. Step 2: Convert to fraction form
    19,042.64/28,563.65 = 5,191.64/x
  3. Step 3: Cross multiply
    19,042.64x = 28,563.65 × 5,191.64
  4. Step 4: Simplify right side
    19,042.64x = 148,292,045.07
  5. Step 5: Solve for x
    x = 148,292,045.07/19,042.64
  6. Step 6: Final answer
    x = 7,787.37

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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.