Home / 26,510.16-39,766.47-18,753.60

Finding the Fourth Proportional to 26,510.16, 39,766.47 and 18,753.60

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Solution

The fourth proportional to 26,510.16, 39,766.47 and 18,753.60 is: 28,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.16 : 39,766.47 = 18,753.60 : x
  2. Step 2: Convert to fraction form
    26,510.16/39,766.47 = 18,753.60/x
  3. Step 3: Cross multiply
    26,510.16x = 39,766.47 × 18,753.60
  4. Step 4: Simplify right side
    26,510.16x = 745,764,471.79
  5. Step 5: Solve for x
    x = 745,764,471.79/26,510.16
  6. Step 6: Final answer
    x = 28,131.27

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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.