Home / 14,502.52-21,781.86-12,873.16

Finding the Fourth Proportional to 14,502.52, 21,781.86 and 12,873.16

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Solution

The fourth proportional to 14,502.52, 21,781.86 and 12,873.16 is: 19,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.52 : 21,781.86 = 12,873.16 : x
  2. Step 2: Convert to fraction form
    14,502.52/21,781.86 = 12,873.16/x
  3. Step 3: Cross multiply
    14,502.52x = 21,781.86 × 12,873.16
  4. Step 4: Simplify right side
    14,502.52x = 280,401,368.88
  5. Step 5: Solve for x
    x = 280,401,368.88/14,502.52
  6. Step 6: Final answer
    x = 19,334.67

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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.