Home / 14,001.08-19,321.48-7,713.46

Finding the Fourth Proportional to 14,001.08, 19,321.48 and 7,713.46

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Solution

The fourth proportional to 14,001.08, 19,321.48 and 7,713.46 is: 10,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.08 : 19,321.48 = 7,713.46 : x
  2. Step 2: Convert to fraction form
    14,001.08/19,321.48 = 7,713.46/x
  3. Step 3: Cross multiply
    14,001.08x = 19,321.48 × 7,713.46
  4. Step 4: Simplify right side
    14,001.08x = 149,035,463.12
  5. Step 5: Solve for x
    x = 149,035,463.12/14,001.08
  6. Step 6: Final answer
    x = 10,644.57

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Double scale
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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.