Home / 22,666.56-31,278.20-12,594.48

Finding the Fourth Proportional to 22,666.56, 31,278.20 and 12,594.48

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Solution

The fourth proportional to 22,666.56, 31,278.20 and 12,594.48 is: 17,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.56 : 31,278.20 = 12,594.48 : x
  2. Step 2: Convert to fraction form
    22,666.56/31,278.20 = 12,594.48/x
  3. Step 3: Cross multiply
    22,666.56x = 31,278.20 × 12,594.48
  4. Step 4: Simplify right side
    22,666.56x = 393,932,664.34
  5. Step 5: Solve for x
    x = 393,932,664.34/22,666.56
  6. Step 6: Final answer
    x = 17,379.46

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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.