Home / 19,332.20-26,678.90-11,374.84

Finding the Fourth Proportional to 19,332.20, 26,678.90 and 11,374.84

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Solution

The fourth proportional to 19,332.20, 26,678.90 and 11,374.84 is: 15,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.20 : 26,678.90 = 11,374.84 : x
  2. Step 2: Convert to fraction form
    19,332.20/26,678.90 = 11,374.84/x
  3. Step 3: Cross multiply
    19,332.20x = 26,678.90 × 11,374.84
  4. Step 4: Simplify right side
    19,332.20x = 303,468,218.88
  5. Step 5: Solve for x
    x = 303,468,218.88/19,332.20
  6. Step 6: Final answer
    x = 15,697.55

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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.