Home / 19,463.71-26,860.45-11,909.90

Finding the Fourth Proportional to 19,463.71, 26,860.45 and 11,909.90

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Solution

The fourth proportional to 19,463.71, 26,860.45 and 11,909.90 is: 16,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.71 : 26,860.45 = 11,909.90 : x
  2. Step 2: Convert to fraction form
    19,463.71/26,860.45 = 11,909.90/x
  3. Step 3: Cross multiply
    19,463.71x = 26,860.45 × 11,909.90
  4. Step 4: Simplify right side
    19,463.71x = 319,905,273.46
  5. Step 5: Solve for x
    x = 319,905,273.46/19,463.71
  6. Step 6: Final answer
    x = 16,435.99

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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.