Home / 14,199.12-21,298.50-6,402.42

Finding the Fourth Proportional to 14,199.12, 21,298.50 and 6,402.42

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Solution

The fourth proportional to 14,199.12, 21,298.50 and 6,402.42 is: 9,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.12 : 21,298.50 = 6,402.42 : x
  2. Step 2: Convert to fraction form
    14,199.12/21,298.50 = 6,402.42/x
  3. Step 3: Cross multiply
    14,199.12x = 21,298.50 × 6,402.42
  4. Step 4: Simplify right side
    14,199.12x = 136,361,942.37
  5. Step 5: Solve for x
    x = 136,361,942.37/14,199.12
  6. Step 6: Final answer
    x = 9,603.55

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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.