Home / 21,176.57-29,222.92-11,746.01

Finding the Fourth Proportional to 21,176.57, 29,222.92 and 11,746.01

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Solution

The fourth proportional to 21,176.57, 29,222.92 and 11,746.01 is: 16,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176.57 : 29,222.92 = 11,746.01 : x
  2. Step 2: Convert to fraction form
    21,176.57/29,222.92 = 11,746.01/x
  3. Step 3: Cross multiply
    21,176.57x = 29,222.92 × 11,746.01
  4. Step 4: Simplify right side
    21,176.57x = 343,252,710.55
  5. Step 5: Solve for x
    x = 343,252,710.55/21,176.57
  6. Step 6: Final answer
    x = 16,209.08

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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.