Home / 19,807.17-27,333.90-11,423.67

Finding the Fourth Proportional to 19,807.17, 27,333.90 and 11,423.67

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Solution

The fourth proportional to 19,807.17, 27,333.90 and 11,423.67 is: 15,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.17 : 27,333.90 = 11,423.67 : x
  2. Step 2: Convert to fraction form
    19,807.17/27,333.90 = 11,423.67/x
  3. Step 3: Cross multiply
    19,807.17x = 27,333.90 × 11,423.67
  4. Step 4: Simplify right side
    19,807.17x = 312,253,504.66
  5. Step 5: Solve for x
    x = 312,253,504.66/19,807.17
  6. Step 6: Final answer
    x = 15,764.67

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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.