Home / 14,129.14-19,498.17-7,755.76

Finding the Fourth Proportional to 14,129.14, 19,498.17 and 7,755.76

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Solution

The fourth proportional to 14,129.14, 19,498.17 and 7,755.76 is: 10,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.14 : 19,498.17 = 7,755.76 : x
  2. Step 2: Convert to fraction form
    14,129.14/19,498.17 = 7,755.76/x
  3. Step 3: Cross multiply
    14,129.14x = 19,498.17 × 7,755.76
  4. Step 4: Simplify right side
    14,129.14x = 151,223,126.96
  5. Step 5: Solve for x
    x = 151,223,126.96/14,129.14
  6. Step 6: Final answer
    x = 10,702.93

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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.