Home / 14,679.83-20,249.70-9,368.66

Finding the Fourth Proportional to 14,679.83, 20,249.70 and 9,368.66

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Solution

The fourth proportional to 14,679.83, 20,249.70 and 9,368.66 is: 12,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.83 : 20,249.70 = 9,368.66 : x
  2. Step 2: Convert to fraction form
    14,679.83/20,249.70 = 9,368.66/x
  3. Step 3: Cross multiply
    14,679.83x = 20,249.70 × 9,368.66
  4. Step 4: Simplify right side
    14,679.83x = 189,712,569.89
  5. Step 5: Solve for x
    x = 189,712,569.89/14,679.83
  6. Step 6: Final answer
    x = 12,923.35

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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.