Home / 19,663.33-29,346.43-18,330.11

Finding the Fourth Proportional to 19,663.33, 29,346.43 and 18,330.11

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Solution

The fourth proportional to 19,663.33, 29,346.43 and 18,330.11 is: 27,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.33 : 29,346.43 = 18,330.11 : x
  2. Step 2: Convert to fraction form
    19,663.33/29,346.43 = 18,330.11/x
  3. Step 3: Cross multiply
    19,663.33x = 29,346.43 × 18,330.11
  4. Step 4: Simplify right side
    19,663.33x = 537,923,143.28
  5. Step 5: Solve for x
    x = 537,923,143.28/19,663.33
  6. Step 6: Final answer
    x = 27,356.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.