Home / 22,374.35-30,877.39-12,303.55

Finding the Fourth Proportional to 22,374.35, 30,877.39 and 12,303.55

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Solution

The fourth proportional to 22,374.35, 30,877.39 and 12,303.55 is: 16,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.35 : 30,877.39 = 12,303.55 : x
  2. Step 2: Convert to fraction form
    22,374.35/30,877.39 = 12,303.55/x
  3. Step 3: Cross multiply
    22,374.35x = 30,877.39 × 12,303.55
  4. Step 4: Simplify right side
    22,374.35x = 379,901,565.71
  5. Step 5: Solve for x
    x = 379,901,565.71/22,374.35
  6. Step 6: Final answer
    x = 16,979.34

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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.