Home / 15,787.80-23,652.90-9,624.60

Finding the Fourth Proportional to 15,787.80, 23,652.90 and 9,624.60

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Solution

The fourth proportional to 15,787.80, 23,652.90 and 9,624.60 is: 14,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.80 : 23,652.90 = 9,624.60 : x
  2. Step 2: Convert to fraction form
    15,787.80/23,652.90 = 9,624.60/x
  3. Step 3: Cross multiply
    15,787.80x = 23,652.90 × 9,624.60
  4. Step 4: Simplify right side
    15,787.80x = 227,649,701.34
  5. Step 5: Solve for x
    x = 227,649,701.34/15,787.80
  6. Step 6: Final answer
    x = 14,419.34

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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.