Home / 19,107.45-28,644.84-7,254.59

Finding the Fourth Proportional to 19,107.45, 28,644.84 and 7,254.59

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Solution

The fourth proportional to 19,107.45, 28,644.84 and 7,254.59 is: 10,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.45 : 28,644.84 = 7,254.59 : x
  2. Step 2: Convert to fraction form
    19,107.45/28,644.84 = 7,254.59/x
  3. Step 3: Cross multiply
    19,107.45x = 28,644.84 × 7,254.59
  4. Step 4: Simplify right side
    19,107.45x = 207,806,426.59
  5. Step 5: Solve for x
    x = 207,806,426.59/19,107.45
  6. Step 6: Final answer
    x = 10,875.68

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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.