Home / 13,908.08-19,185.92-9,430.24

Finding the Fourth Proportional to 13,908.08, 19,185.92 and 9,430.24

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Solution

The fourth proportional to 13,908.08, 19,185.92 and 9,430.24 is: 13,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.08 : 19,185.92 = 9,430.24 : x
  2. Step 2: Convert to fraction form
    13,908.08/19,185.92 = 9,430.24/x
  3. Step 3: Cross multiply
    13,908.08x = 19,185.92 × 9,430.24
  4. Step 4: Simplify right side
    13,908.08x = 180,927,830.22
  5. Step 5: Solve for x
    x = 180,927,830.22/13,908.08
  6. Step 6: Final answer
    x = 13,008.83

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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.