Home / 14,129.13-19,498.14-7,755.83

Finding the Fourth Proportional to 14,129.13, 19,498.14 and 7,755.83

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Solution

The fourth proportional to 14,129.13, 19,498.14 and 7,755.83 is: 10,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.13 : 19,498.14 = 7,755.83 : x
  2. Step 2: Convert to fraction form
    14,129.13/19,498.14 = 7,755.83/x
  3. Step 3: Cross multiply
    14,129.13x = 19,498.14 × 7,755.83
  4. Step 4: Simplify right side
    14,129.13x = 151,224,259.16
  5. Step 5: Solve for x
    x = 151,224,259.16/14,129.13
  6. Step 6: Final answer
    x = 10,703.01

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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.