Home / 26,500.14-39,663.68-19,478.30

Finding the Fourth Proportional to 26,500.14, 39,663.68 and 19,478.30

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Solution

The fourth proportional to 26,500.14, 39,663.68 and 19,478.30 is: 29,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.14 : 39,663.68 = 19,478.30 : x
  2. Step 2: Convert to fraction form
    26,500.14/39,663.68 = 19,478.30/x
  3. Step 3: Cross multiply
    26,500.14x = 39,663.68 × 19,478.30
  4. Step 4: Simplify right side
    26,500.14x = 772,580,762.43
  5. Step 5: Solve for x
    x = 772,580,762.43/26,500.14
  6. Step 6: Final answer
    x = 29,153.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.