Home / 14,031.56-19,364.58-8,064.68

Finding the Fourth Proportional to 14,031.56, 19,364.58 and 8,064.68

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Solution

The fourth proportional to 14,031.56, 19,364.58 and 8,064.68 is: 11,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.56 : 19,364.58 = 8,064.68 : x
  2. Step 2: Convert to fraction form
    14,031.56/19,364.58 = 8,064.68/x
  3. Step 3: Cross multiply
    14,031.56x = 19,364.58 × 8,064.68
  4. Step 4: Simplify right side
    14,031.56x = 156,169,141.03
  5. Step 5: Solve for x
    x = 156,169,141.03/14,031.56
  6. Step 6: Final answer
    x = 11,129.85

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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.