Home / 19,332.76-26,678.75-11,375.49

Finding the Fourth Proportional to 19,332.76, 26,678.75 and 11,375.49

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Solution

The fourth proportional to 19,332.76, 26,678.75 and 11,375.49 is: 15,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.76 : 26,678.75 = 11,375.49 : x
  2. Step 2: Convert to fraction form
    19,332.76/26,678.75 = 11,375.49/x
  3. Step 3: Cross multiply
    19,332.76x = 26,678.75 × 11,375.49
  4. Step 4: Simplify right side
    19,332.76x = 303,483,853.84
  5. Step 5: Solve for x
    x = 303,483,853.84/19,332.76
  6. Step 6: Final answer
    x = 15,697.91

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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.