Home / 13,999.30-19,337.43-10,456.36

Finding the Fourth Proportional to 13,999.30, 19,337.43 and 10,456.36

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Solution

The fourth proportional to 13,999.30, 19,337.43 and 10,456.36 is: 14,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.30 : 19,337.43 = 10,456.36 : x
  2. Step 2: Convert to fraction form
    13,999.30/19,337.43 = 10,456.36/x
  3. Step 3: Cross multiply
    13,999.30x = 19,337.43 × 10,456.36
  4. Step 4: Simplify right side
    13,999.30x = 202,199,120.42
  5. Step 5: Solve for x
    x = 202,199,120.42/13,999.30
  6. Step 6: Final answer
    x = 14,443.52

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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.