Home / 19,710.12-29,562.38-5,671.32

Finding the Fourth Proportional to 19,710.12, 29,562.38 and 5,671.32

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Solution

The fourth proportional to 19,710.12, 29,562.38 and 5,671.32 is: 8,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.12 : 29,562.38 = 5,671.32 : x
  2. Step 2: Convert to fraction form
    19,710.12/29,562.38 = 5,671.32/x
  3. Step 3: Cross multiply
    19,710.12x = 29,562.38 × 5,671.32
  4. Step 4: Simplify right side
    19,710.12x = 167,657,716.94
  5. Step 5: Solve for x
    x = 167,657,716.94/19,710.12
  6. Step 6: Final answer
    x = 8,506.17

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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.