Home / 26,510.56-39,771.72-8,740.51

Finding the Fourth Proportional to 26,510.56, 39,771.72 and 8,740.51

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Solution

The fourth proportional to 26,510.56, 39,771.72 and 8,740.51 is: 13,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.56 : 39,771.72 = 8,740.51 : x
  2. Step 2: Convert to fraction form
    26,510.56/39,771.72 = 8,740.51/x
  3. Step 3: Cross multiply
    26,510.56x = 39,771.72 × 8,740.51
  4. Step 4: Simplify right side
    26,510.56x = 347,625,116.38
  5. Step 5: Solve for x
    x = 347,625,116.38/26,510.56
  6. Step 6: Final answer
    x = 13,112.70

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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.