Home / 15,774.72-23,645.28-11,867.04

Finding the Fourth Proportional to 15,774.72, 23,645.28 and 11,867.04

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Solution

The fourth proportional to 15,774.72, 23,645.28 and 11,867.04 is: 17,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.72 : 23,645.28 = 11,867.04 : x
  2. Step 2: Convert to fraction form
    15,774.72/23,645.28 = 11,867.04/x
  3. Step 3: Cross multiply
    15,774.72x = 23,645.28 × 11,867.04
  4. Step 4: Simplify right side
    15,774.72x = 280,599,483.57
  5. Step 5: Solve for x
    x = 280,599,483.57/15,774.72
  6. Step 6: Final answer
    x = 17,787.92

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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.