Home / 14,001.48-19,322.46-7,713.72

Finding the Fourth Proportional to 14,001.48, 19,322.46 and 7,713.72

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Solution

The fourth proportional to 14,001.48, 19,322.46 and 7,713.72 is: 10,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.48 : 19,322.46 = 7,713.72 : x
  2. Step 2: Convert to fraction form
    14,001.48/19,322.46 = 7,713.72/x
  3. Step 3: Cross multiply
    14,001.48x = 19,322.46 × 7,713.72
  4. Step 4: Simplify right side
    14,001.48x = 149,048,046.15
  5. Step 5: Solve for x
    x = 149,048,046.15/14,001.48
  6. Step 6: Final answer
    x = 10,645.16

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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.