Home / 15,062.14-20,787.60-8,774.92

Finding the Fourth Proportional to 15,062.14, 20,787.60 and 8,774.92

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Solution

The fourth proportional to 15,062.14, 20,787.60 and 8,774.92 is: 12,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.14 : 20,787.60 = 8,774.92 : x
  2. Step 2: Convert to fraction form
    15,062.14/20,787.60 = 8,774.92/x
  3. Step 3: Cross multiply
    15,062.14x = 20,787.60 × 8,774.92
  4. Step 4: Simplify right side
    15,062.14x = 182,409,526.99
  5. Step 5: Solve for x
    x = 182,409,526.99/15,062.14
  6. Step 6: Final answer
    x = 12,110.47

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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.