Home / 19,329.40-26,674.14-10,945.72

Finding the Fourth Proportional to 19,329.40, 26,674.14 and 10,945.72

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Solution

The fourth proportional to 19,329.40, 26,674.14 and 10,945.72 is: 15,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.40 : 26,674.14 = 10,945.72 : x
  2. Step 2: Convert to fraction form
    19,329.40/26,674.14 = 10,945.72/x
  3. Step 3: Cross multiply
    19,329.40x = 26,674.14 × 10,945.72
  4. Step 4: Simplify right side
    19,329.40x = 291,967,667.68
  5. Step 5: Solve for x
    x = 291,967,667.68/19,329.40
  6. Step 6: Final answer
    x = 15,104.85

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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.