Home / 14,311.40-19,749.96-9,277.64

Finding the Fourth Proportional to 14,311.40, 19,749.96 and 9,277.64

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Solution

The fourth proportional to 14,311.40, 19,749.96 and 9,277.64 is: 12,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.40 : 19,749.96 = 9,277.64 : x
  2. Step 2: Convert to fraction form
    14,311.40/19,749.96 = 9,277.64/x
  3. Step 3: Cross multiply
    14,311.40x = 19,749.96 × 9,277.64
  4. Step 4: Simplify right side
    14,311.40x = 183,233,018.89
  5. Step 5: Solve for x
    x = 183,233,018.89/14,311.40
  6. Step 6: Final answer
    x = 12,803.29

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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.