Home / 24,985.72-34,480.68-13,655.44

Finding the Fourth Proportional to 24,985.72, 34,480.68 and 13,655.44

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Solution

The fourth proportional to 24,985.72, 34,480.68 and 13,655.44 is: 18,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,985.72 : 34,480.68 = 13,655.44 : x
  2. Step 2: Convert to fraction form
    24,985.72/34,480.68 = 13,655.44/x
  3. Step 3: Cross multiply
    24,985.72x = 34,480.68 × 13,655.44
  4. Step 4: Simplify right side
    24,985.72x = 470,848,856.90
  5. Step 5: Solve for x
    x = 470,848,856.90/24,985.72
  6. Step 6: Final answer
    x = 18,844.72

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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.