Home / 19,343.08-26,664.42-15,144.04

Finding the Fourth Proportional to 19,343.08, 26,664.42 and 15,144.04

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Solution

The fourth proportional to 19,343.08, 26,664.42 and 15,144.04 is: 20,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.08 : 26,664.42 = 15,144.04 : x
  2. Step 2: Convert to fraction form
    19,343.08/26,664.42 = 15,144.04/x
  3. Step 3: Cross multiply
    19,343.08x = 26,664.42 × 15,144.04
  4. Step 4: Simplify right side
    19,343.08x = 403,807,043.06
  5. Step 5: Solve for x
    x = 403,807,043.06/19,343.08
  6. Step 6: Final answer
    x = 20,876.05

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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.