Home / 21,348.15-32,024.45-7,309.63

Finding the Fourth Proportional to 21,348.15, 32,024.45 and 7,309.63

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Solution

The fourth proportional to 21,348.15, 32,024.45 and 7,309.63 is: 10,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.15 : 32,024.45 = 7,309.63 : x
  2. Step 2: Convert to fraction form
    21,348.15/32,024.45 = 7,309.63/x
  3. Step 3: Cross multiply
    21,348.15x = 32,024.45 × 7,309.63
  4. Step 4: Simplify right side
    21,348.15x = 234,086,880.45
  5. Step 5: Solve for x
    x = 234,086,880.45/21,348.15
  6. Step 6: Final answer
    x = 10,965.21

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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.