Home / 22,374.07-30,876.18-12,303.13

Finding the Fourth Proportional to 22,374.07, 30,876.18 and 12,303.13

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Solution

The fourth proportional to 22,374.07, 30,876.18 and 12,303.13 is: 16,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.07 : 30,876.18 = 12,303.13 : x
  2. Step 2: Convert to fraction form
    22,374.07/30,876.18 = 12,303.13/x
  3. Step 3: Cross multiply
    22,374.07x = 30,876.18 × 12,303.13
  4. Step 4: Simplify right side
    22,374.07x = 379,873,656.44
  5. Step 5: Solve for x
    x = 379,873,656.44/22,374.07
  6. Step 6: Final answer
    x = 16,978.30

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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.