Home / 13,887.96-19,165.31-7,600.32

Finding the Fourth Proportional to 13,887.96, 19,165.31 and 7,600.32

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Solution

The fourth proportional to 13,887.96, 19,165.31 and 7,600.32 is: 10,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.96 : 19,165.31 = 7,600.32 : x
  2. Step 2: Convert to fraction form
    13,887.96/19,165.31 = 7,600.32/x
  3. Step 3: Cross multiply
    13,887.96x = 19,165.31 × 7,600.32
  4. Step 4: Simplify right side
    13,887.96x = 145,662,488.90
  5. Step 5: Solve for x
    x = 145,662,488.90/13,887.96
  6. Step 6: Final answer
    x = 10,488.40

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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.