Home / 14,016.48-19,342.80-7,729.04

Finding the Fourth Proportional to 14,016.48, 19,342.80 and 7,729.04

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Solution

The fourth proportional to 14,016.48, 19,342.80 and 7,729.04 is: 10,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.48 : 19,342.80 = 7,729.04 : x
  2. Step 2: Convert to fraction form
    14,016.48/19,342.80 = 7,729.04/x
  3. Step 3: Cross multiply
    14,016.48x = 19,342.80 × 7,729.04
  4. Step 4: Simplify right side
    14,016.48x = 149,501,274.91
  5. Step 5: Solve for x
    x = 149,501,274.91/14,016.48
  6. Step 6: Final answer
    x = 10,666.11

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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.