Home / 15,017.31-20,726.46-8,733.33

Finding the Fourth Proportional to 15,017.31, 20,726.46 and 8,733.33

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Solution

The fourth proportional to 15,017.31, 20,726.46 and 8,733.33 is: 12,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.31 : 20,726.46 = 8,733.33 : x
  2. Step 2: Convert to fraction form
    15,017.31/20,726.46 = 8,733.33/x
  3. Step 3: Cross multiply
    15,017.31x = 20,726.46 × 8,733.33
  4. Step 4: Simplify right side
    15,017.31x = 181,011,014.91
  5. Step 5: Solve for x
    x = 181,011,014.91/15,017.31
  6. Step 6: Final answer
    x = 12,053.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.