Home / 25,251.60-37,877.40-11,211.60

Finding the Fourth Proportional to 25,251.60, 37,877.40 and 11,211.60

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Solution

The fourth proportional to 25,251.60, 37,877.40 and 11,211.60 is: 16,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.60 : 37,877.40 = 11,211.60 : x
  2. Step 2: Convert to fraction form
    25,251.60/37,877.40 = 11,211.60/x
  3. Step 3: Cross multiply
    25,251.60x = 37,877.40 × 11,211.60
  4. Step 4: Simplify right side
    25,251.60x = 424,666,257.84
  5. Step 5: Solve for x
    x = 424,666,257.84/25,251.60
  6. Step 6: Final answer
    x = 16,817.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.