Home / 21,362.07-32,050.26-12,020.31

Finding the Fourth Proportional to 21,362.07, 32,050.26 and 12,020.31

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Solution

The fourth proportional to 21,362.07, 32,050.26 and 12,020.31 is: 18,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362.07 : 32,050.26 = 12,020.31 : x
  2. Step 2: Convert to fraction form
    21,362.07/32,050.26 = 12,020.31/x
  3. Step 3: Cross multiply
    21,362.07x = 32,050.26 × 12,020.31
  4. Step 4: Simplify right side
    21,362.07x = 385,254,060.78
  5. Step 5: Solve for x
    x = 385,254,060.78/21,362.07
  6. Step 6: Final answer
    x = 18,034.49

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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.