Home / 15,476.53-21,376.94-11,934.50

Finding the Fourth Proportional to 15,476.53, 21,376.94 and 11,934.50

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Solution

The fourth proportional to 15,476.53, 21,376.94 and 11,934.50 is: 16,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.53 : 21,376.94 = 11,934.50 : x
  2. Step 2: Convert to fraction form
    15,476.53/21,376.94 = 11,934.50/x
  3. Step 3: Cross multiply
    15,476.53x = 21,376.94 × 11,934.50
  4. Step 4: Simplify right side
    15,476.53x = 255,123,084.20
  5. Step 5: Solve for x
    x = 255,123,084.20/15,476.53
  6. Step 6: Final answer
    x = 16,484.52

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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.