Home / 19,278.79-26,602.38-10,663.81

Finding the Fourth Proportional to 19,278.79, 26,602.38 and 10,663.81

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Solution

The fourth proportional to 19,278.79, 26,602.38 and 10,663.81 is: 14,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.79 : 26,602.38 = 10,663.81 : x
  2. Step 2: Convert to fraction form
    19,278.79/26,602.38 = 10,663.81/x
  3. Step 3: Cross multiply
    19,278.79x = 26,602.38 × 10,663.81
  4. Step 4: Simplify right side
    19,278.79x = 283,682,725.87
  5. Step 5: Solve for x
    x = 283,682,725.87/19,278.79
  6. Step 6: Final answer
    x = 14,714.76

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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.