Home / 19,833.84-29,889.90-17,861.76

Finding the Fourth Proportional to 19,833.84, 29,889.90 and 17,861.76

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Solution

The fourth proportional to 19,833.84, 29,889.90 and 17,861.76 is: 26,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.84 : 29,889.90 = 17,861.76 : x
  2. Step 2: Convert to fraction form
    19,833.84/29,889.90 = 17,861.76/x
  3. Step 3: Cross multiply
    19,833.84x = 29,889.90 × 17,861.76
  4. Step 4: Simplify right side
    19,833.84x = 533,886,220.22
  5. Step 5: Solve for x
    x = 533,886,220.22/19,833.84
  6. Step 6: Final answer
    x = 26,917.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.