Home / 19,010.61-28,496.12-7,156.26

Finding the Fourth Proportional to 19,010.61, 28,496.12 and 7,156.26

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Solution

The fourth proportional to 19,010.61, 28,496.12 and 7,156.26 is: 10,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.61 : 28,496.12 = 7,156.26 : x
  2. Step 2: Convert to fraction form
    19,010.61/28,496.12 = 7,156.26/x
  3. Step 3: Cross multiply
    19,010.61x = 28,496.12 × 7,156.26
  4. Step 4: Simplify right side
    19,010.61x = 203,925,661.60
  5. Step 5: Solve for x
    x = 203,925,661.60/19,010.61
  6. Step 6: Final answer
    x = 10,726.94

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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.