Home / 14,395.92-19,887.48-11,402.16

Finding the Fourth Proportional to 14,395.92, 19,887.48 and 11,402.16

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Solution

The fourth proportional to 14,395.92, 19,887.48 and 11,402.16 is: 15,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.92 : 19,887.48 = 11,402.16 : x
  2. Step 2: Convert to fraction form
    14,395.92/19,887.48 = 11,402.16/x
  3. Step 3: Cross multiply
    14,395.92x = 19,887.48 × 11,402.16
  4. Step 4: Simplify right side
    14,395.92x = 226,760,228.96
  5. Step 5: Solve for x
    x = 226,760,228.96/14,395.92
  6. Step 6: Final answer
    x = 15,751.70

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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.