Home / 14,318.34-19,758.87-8,031.06

Finding the Fourth Proportional to 14,318.34, 19,758.87 and 8,031.06

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Solution

The fourth proportional to 14,318.34, 19,758.87 and 8,031.06 is: 11,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.34 : 19,758.87 = 8,031.06 : x
  2. Step 2: Convert to fraction form
    14,318.34/19,758.87 = 8,031.06/x
  3. Step 3: Cross multiply
    14,318.34x = 19,758.87 × 8,031.06
  4. Step 4: Simplify right side
    14,318.34x = 158,684,670.50
  5. Step 5: Solve for x
    x = 158,684,670.50/14,318.34
  6. Step 6: Final answer
    x = 11,082.62

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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.