Home / 14,249.16-19,631.64-9,938.12

Finding the Fourth Proportional to 14,249.16, 19,631.64 and 9,938.12

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Solution

The fourth proportional to 14,249.16, 19,631.64 and 9,938.12 is: 13,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.16 : 19,631.64 = 9,938.12 : x
  2. Step 2: Convert to fraction form
    14,249.16/19,631.64 = 9,938.12/x
  3. Step 3: Cross multiply
    14,249.16x = 19,631.64 × 9,938.12
  4. Step 4: Simplify right side
    14,249.16x = 195,101,594.12
  5. Step 5: Solve for x
    x = 195,101,594.12/14,249.16
  6. Step 6: Final answer
    x = 13,692.15

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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.