Home / 19,425.40-26,800.14-11,463.64

Finding the Fourth Proportional to 19,425.40, 26,800.14 and 11,463.64

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Solution

The fourth proportional to 19,425.40, 26,800.14 and 11,463.64 is: 15,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.40 : 26,800.14 = 11,463.64 : x
  2. Step 2: Convert to fraction form
    19,425.40/26,800.14 = 11,463.64/x
  3. Step 3: Cross multiply
    19,425.40x = 26,800.14 × 11,463.64
  4. Step 4: Simplify right side
    19,425.40x = 307,227,156.91
  5. Step 5: Solve for x
    x = 307,227,156.91/19,425.40
  6. Step 6: Final answer
    x = 15,815.74

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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.