Home / 19,392.68-26,761.18-11,851.64

Finding the Fourth Proportional to 19,392.68, 26,761.18 and 11,851.64

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Solution

The fourth proportional to 19,392.68, 26,761.18 and 11,851.64 is: 16,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.68 : 26,761.18 = 11,851.64 : x
  2. Step 2: Convert to fraction form
    19,392.68/26,761.18 = 11,851.64/x
  3. Step 3: Cross multiply
    19,392.68x = 26,761.18 × 11,851.64
  4. Step 4: Simplify right side
    19,392.68x = 317,163,871.34
  5. Step 5: Solve for x
    x = 317,163,871.34/19,392.68
  6. Step 6: Final answer
    x = 16,354.82

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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.