Home / 21,495.04-29,704.22-16,180.63

Finding the Fourth Proportional to 21,495.04, 29,704.22 and 16,180.63

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Solution

The fourth proportional to 21,495.04, 29,704.22 and 16,180.63 is: 22,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.04 : 29,704.22 = 16,180.63 : x
  2. Step 2: Convert to fraction form
    21,495.04/29,704.22 = 16,180.63/x
  3. Step 3: Cross multiply
    21,495.04x = 29,704.22 × 16,180.63
  4. Step 4: Simplify right side
    21,495.04x = 480,632,898.77
  5. Step 5: Solve for x
    x = 480,632,898.77/21,495.04
  6. Step 6: Final answer
    x = 22,360.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.