Home / 19,425.42-26,807.76-12,351.69

Finding the Fourth Proportional to 19,425.42, 26,807.76 and 12,351.69

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Solution

The fourth proportional to 19,425.42, 26,807.76 and 12,351.69 is: 17,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.42 : 26,807.76 = 12,351.69 : x
  2. Step 2: Convert to fraction form
    19,425.42/26,807.76 = 12,351.69/x
  3. Step 3: Cross multiply
    19,425.42x = 26,807.76 × 12,351.69
  4. Step 4: Simplify right side
    19,425.42x = 331,121,141.11
  5. Step 5: Solve for x
    x = 331,121,141.11/19,425.42
  6. Step 6: Final answer
    x = 17,045.76

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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.