Home / 21,708.34-32,525.38-11,854.56

Finding the Fourth Proportional to 21,708.34, 32,525.38 and 11,854.56

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Solution

The fourth proportional to 21,708.34, 32,525.38 and 11,854.56 is: 17,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.34 : 32,525.38 = 11,854.56 : x
  2. Step 2: Convert to fraction form
    21,708.34/32,525.38 = 11,854.56/x
  3. Step 3: Cross multiply
    21,708.34x = 32,525.38 × 11,854.56
  4. Step 4: Simplify right side
    21,708.34x = 385,574,068.73
  5. Step 5: Solve for x
    x = 385,574,068.73/21,708.34
  6. Step 6: Final answer
    x = 17,761.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.