Home / 21,570.84-32,361.48-11,036.52

Finding the Fourth Proportional to 21,570.84, 32,361.48 and 11,036.52

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Solution

The fourth proportional to 21,570.84, 32,361.48 and 11,036.52 is: 16,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.84 : 32,361.48 = 11,036.52 : x
  2. Step 2: Convert to fraction form
    21,570.84/32,361.48 = 11,036.52/x
  3. Step 3: Cross multiply
    21,570.84x = 32,361.48 × 11,036.52
  4. Step 4: Simplify right side
    21,570.84x = 357,158,121.25
  5. Step 5: Solve for x
    x = 357,158,121.25/21,570.84
  6. Step 6: Final answer
    x = 16,557.45

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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.