Home / 14,774.64-20,388.35-8,060.15

Finding the Fourth Proportional to 14,774.64, 20,388.35 and 8,060.15

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Solution

The fourth proportional to 14,774.64, 20,388.35 and 8,060.15 is: 11,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.64 : 20,388.35 = 8,060.15 : x
  2. Step 2: Convert to fraction form
    14,774.64/20,388.35 = 8,060.15/x
  3. Step 3: Cross multiply
    14,774.64x = 20,388.35 × 8,060.15
  4. Step 4: Simplify right side
    14,774.64x = 164,333,017.01
  5. Step 5: Solve for x
    x = 164,333,017.01/14,774.64
  6. Step 6: Final answer
    x = 11,122.64

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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.