Home / 22,374.72-30,876.49-12,303.18

Finding the Fourth Proportional to 22,374.72, 30,876.49 and 12,303.18

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Solution

The fourth proportional to 22,374.72, 30,876.49 and 12,303.18 is: 16,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.72 : 30,876.49 = 12,303.18 : x
  2. Step 2: Convert to fraction form
    22,374.72/30,876.49 = 12,303.18/x
  3. Step 3: Cross multiply
    22,374.72x = 30,876.49 × 12,303.18
  4. Step 4: Simplify right side
    22,374.72x = 379,879,014.24
  5. Step 5: Solve for x
    x = 379,879,014.24/22,374.72
  6. Step 6: Final answer
    x = 16,978.05

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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.