Home / 19,047.40-28,573.02-6,565.78

Finding the Fourth Proportional to 19,047.40, 28,573.02 and 6,565.78

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Solution

The fourth proportional to 19,047.40, 28,573.02 and 6,565.78 is: 9,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.40 : 28,573.02 = 6,565.78 : x
  2. Step 2: Convert to fraction form
    19,047.40/28,573.02 = 6,565.78/x
  3. Step 3: Cross multiply
    19,047.40x = 28,573.02 × 6,565.78
  4. Step 4: Simplify right side
    19,047.40x = 187,604,163.26
  5. Step 5: Solve for x
    x = 187,604,163.26/19,047.40
  6. Step 6: Final answer
    x = 9,849.33

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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.