Home / 19,484.70-26,888.76-11,526.78

Finding the Fourth Proportional to 19,484.70, 26,888.76 and 11,526.78

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Solution

The fourth proportional to 19,484.70, 26,888.76 and 11,526.78 is: 15,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.70 : 26,888.76 = 11,526.78 : x
  2. Step 2: Convert to fraction form
    19,484.70/26,888.76 = 11,526.78/x
  3. Step 3: Cross multiply
    19,484.70x = 26,888.76 × 11,526.78
  4. Step 4: Simplify right side
    19,484.70x = 309,940,820.99
  5. Step 5: Solve for x
    x = 309,940,820.99/19,484.70
  6. Step 6: Final answer
    x = 15,906.88

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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.