Home / 19,973.12-29,955.96-6,646.32

Finding the Fourth Proportional to 19,973.12, 29,955.96 and 6,646.32

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Solution

The fourth proportional to 19,973.12, 29,955.96 and 6,646.32 is: 9,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.12 : 29,955.96 = 6,646.32 : x
  2. Step 2: Convert to fraction form
    19,973.12/29,955.96 = 6,646.32/x
  3. Step 3: Cross multiply
    19,973.12x = 29,955.96 × 6,646.32
  4. Step 4: Simplify right side
    19,973.12x = 199,096,896.07
  5. Step 5: Solve for x
    x = 199,096,896.07/19,973.12
  6. Step 6: Final answer
    x = 9,968.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.