Home / 22,555.56-31,114.34-13,597.64

Finding the Fourth Proportional to 22,555.56, 31,114.34 and 13,597.64

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Solution

The fourth proportional to 22,555.56, 31,114.34 and 13,597.64 is: 18,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.56 : 31,114.34 = 13,597.64 : x
  2. Step 2: Convert to fraction form
    22,555.56/31,114.34 = 13,597.64/x
  3. Step 3: Cross multiply
    22,555.56x = 31,114.34 × 13,597.64
  4. Step 4: Simplify right side
    22,555.56x = 423,081,594.16
  5. Step 5: Solve for x
    x = 423,081,594.16/22,555.56
  6. Step 6: Final answer
    x = 18,757.31

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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.