Home / 17,117.13-23,621.40-12,076.08

Finding the Fourth Proportional to 17,117.13, 23,621.40 and 12,076.08

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Solution

The fourth proportional to 17,117.13, 23,621.40 and 12,076.08 is: 16,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.13 : 23,621.40 = 12,076.08 : x
  2. Step 2: Convert to fraction form
    17,117.13/23,621.40 = 12,076.08/x
  3. Step 3: Cross multiply
    17,117.13x = 23,621.40 × 12,076.08
  4. Step 4: Simplify right side
    17,117.13x = 285,253,916.11
  5. Step 5: Solve for x
    x = 285,253,916.11/17,117.13
  6. Step 6: Final answer
    x = 16,664.82

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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.