Home / 19,330.68-26,672.40-10,945.56

Finding the Fourth Proportional to 19,330.68, 26,672.40 and 10,945.56

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Solution

The fourth proportional to 19,330.68, 26,672.40 and 10,945.56 is: 15,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.68 : 26,672.40 = 10,945.56 : x
  2. Step 2: Convert to fraction form
    19,330.68/26,672.40 = 10,945.56/x
  3. Step 3: Cross multiply
    19,330.68x = 26,672.40 × 10,945.56
  4. Step 4: Simplify right side
    19,330.68x = 291,944,354.54
  5. Step 5: Solve for x
    x = 291,944,354.54/19,330.68
  6. Step 6: Final answer
    x = 15,102.64

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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.