Home / 22,516.56-31,072.36-12,445.08

Finding the Fourth Proportional to 22,516.56, 31,072.36 and 12,445.08

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Solution

The fourth proportional to 22,516.56, 31,072.36 and 12,445.08 is: 17,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.56 : 31,072.36 = 12,445.08 : x
  2. Step 2: Convert to fraction form
    22,516.56/31,072.36 = 12,445.08/x
  3. Step 3: Cross multiply
    22,516.56x = 31,072.36 × 12,445.08
  4. Step 4: Simplify right side
    22,516.56x = 386,698,005.99
  5. Step 5: Solve for x
    x = 386,698,005.99/22,516.56
  6. Step 6: Final answer
    x = 17,173.94

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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.