Home / 15,876.06-21,898.50-10,201.86

Finding the Fourth Proportional to 15,876.06, 21,898.50 and 10,201.86

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Solution

The fourth proportional to 15,876.06, 21,898.50 and 10,201.86 is: 14,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.06 : 21,898.50 = 10,201.86 : x
  2. Step 2: Convert to fraction form
    15,876.06/21,898.50 = 10,201.86/x
  3. Step 3: Cross multiply
    15,876.06x = 21,898.50 × 10,201.86
  4. Step 4: Simplify right side
    15,876.06x = 223,405,431.21
  5. Step 5: Solve for x
    x = 223,405,431.21/15,876.06
  6. Step 6: Final answer
    x = 14,071.84

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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.