Home / 15,858.60-23,787.90-9,637.80

Finding the Fourth Proportional to 15,858.60, 23,787.90 and 9,637.80

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Solution

The fourth proportional to 15,858.60, 23,787.90 and 9,637.80 is: 14,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.60 : 23,787.90 = 9,637.80 : x
  2. Step 2: Convert to fraction form
    15,858.60/23,787.90 = 9,637.80/x
  3. Step 3: Cross multiply
    15,858.60x = 23,787.90 × 9,637.80
  4. Step 4: Simplify right side
    15,858.60x = 229,263,022.62
  5. Step 5: Solve for x
    x = 229,263,022.62/15,858.60
  6. Step 6: Final answer
    x = 14,456.70

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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.