Home / 19,426.80-26,818.74-11,471.52

Finding the Fourth Proportional to 19,426.80, 26,818.74 and 11,471.52

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Solution

The fourth proportional to 19,426.80, 26,818.74 and 11,471.52 is: 15,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.80 : 26,818.74 = 11,471.52 : x
  2. Step 2: Convert to fraction form
    19,426.80/26,818.74 = 11,471.52/x
  3. Step 3: Cross multiply
    19,426.80x = 26,818.74 × 11,471.52
  4. Step 4: Simplify right side
    19,426.80x = 307,651,712.28
  5. Step 5: Solve for x
    x = 307,651,712.28/19,426.80
  6. Step 6: Final answer
    x = 15,836.46

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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.