Home / 22,445.79-30,975.41-12,374.59

Finding the Fourth Proportional to 22,445.79, 30,975.41 and 12,374.59

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Solution

The fourth proportional to 22,445.79, 30,975.41 and 12,374.59 is: 17,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.79 : 30,975.41 = 12,374.59 : x
  2. Step 2: Convert to fraction form
    22,445.79/30,975.41 = 12,374.59/x
  3. Step 3: Cross multiply
    22,445.79x = 30,975.41 × 12,374.59
  4. Step 4: Simplify right side
    22,445.79x = 383,307,936.96
  5. Step 5: Solve for x
    x = 383,307,936.96/22,445.79
  6. Step 6: Final answer
    x = 17,077.05

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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.