Home / 21,682.29-32,340.23-21,026.01

Finding the Fourth Proportional to 21,682.29, 32,340.23 and 21,026.01

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Solution

The fourth proportional to 21,682.29, 32,340.23 and 21,026.01 is: 31,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.29 : 32,340.23 = 21,026.01 : x
  2. Step 2: Convert to fraction form
    21,682.29/32,340.23 = 21,026.01/x
  3. Step 3: Cross multiply
    21,682.29x = 32,340.23 × 21,026.01
  4. Step 4: Simplify right side
    21,682.29x = 679,986,051.95
  5. Step 5: Solve for x
    x = 679,986,051.95/21,682.29
  6. Step 6: Final answer
    x = 31,361.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.