Home / 26,752.86-36,923.49-15,420.33

Finding the Fourth Proportional to 26,752.86, 36,923.49 and 15,420.33

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Solution

The fourth proportional to 26,752.86, 36,923.49 and 15,420.33 is: 21,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,752.86 : 36,923.49 = 15,420.33 : x
  2. Step 2: Convert to fraction form
    26,752.86/36,923.49 = 15,420.33/x
  3. Step 3: Cross multiply
    26,752.86x = 36,923.49 × 15,420.33
  4. Step 4: Simplify right side
    26,752.86x = 569,372,400.55
  5. Step 5: Solve for x
    x = 569,372,400.55/26,752.86
  6. Step 6: Final answer
    x = 21,282.67

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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.