Home / 22,374.54-30,877.07-12,303.05

Finding the Fourth Proportional to 22,374.54, 30,877.07 and 12,303.05

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Solution

The fourth proportional to 22,374.54, 30,877.07 and 12,303.05 is: 16,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.54 : 30,877.07 = 12,303.05 : x
  2. Step 2: Convert to fraction form
    22,374.54/30,877.07 = 12,303.05/x
  3. Step 3: Cross multiply
    22,374.54x = 30,877.07 × 12,303.05
  4. Step 4: Simplify right side
    22,374.54x = 379,881,920.16
  5. Step 5: Solve for x
    x = 379,881,920.16/22,374.54
  6. Step 6: Final answer
    x = 16,978.31

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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.