Home / 21,412.95-32,124.30-11,552.01

Finding the Fourth Proportional to 21,412.95, 32,124.30 and 11,552.01

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Solution

The fourth proportional to 21,412.95, 32,124.30 and 11,552.01 is: 17,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,412.95 : 32,124.30 = 11,552.01 : x
  2. Step 2: Convert to fraction form
    21,412.95/32,124.30 = 11,552.01/x
  3. Step 3: Cross multiply
    21,412.95x = 32,124.30 × 11,552.01
  4. Step 4: Simplify right side
    21,412.95x = 371,100,234.84
  5. Step 5: Solve for x
    x = 371,100,234.84/21,412.95
  6. Step 6: Final answer
    x = 17,330.64

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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.