Home / 15,040.09-22,582.31-8,389.58

Finding the Fourth Proportional to 15,040.09, 22,582.31 and 8,389.58

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Solution

The fourth proportional to 15,040.09, 22,582.31 and 8,389.58 is: 12,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.09 : 22,582.31 = 8,389.58 : x
  2. Step 2: Convert to fraction form
    15,040.09/22,582.31 = 8,389.58/x
  3. Step 3: Cross multiply
    15,040.09x = 22,582.31 × 8,389.58
  4. Step 4: Simplify right side
    15,040.09x = 189,456,173.76
  5. Step 5: Solve for x
    x = 189,456,173.76/15,040.09
  6. Step 6: Final answer
    x = 12,596.74

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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.