Home / 14,113.08-21,157.07-5,354.15

Finding the Fourth Proportional to 14,113.08, 21,157.07 and 5,354.15

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Solution

The fourth proportional to 14,113.08, 21,157.07 and 5,354.15 is: 8,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.08 : 21,157.07 = 5,354.15 : x
  2. Step 2: Convert to fraction form
    14,113.08/21,157.07 = 5,354.15/x
  3. Step 3: Cross multiply
    14,113.08x = 21,157.07 × 5,354.15
  4. Step 4: Simplify right side
    14,113.08x = 113,277,993.78
  5. Step 5: Solve for x
    x = 113,277,993.78/14,113.08
  6. Step 6: Final answer
    x = 8,026.45

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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.