Home / 19,557.02-29,335.23-7,869.94

Finding the Fourth Proportional to 19,557.02, 29,335.23 and 7,869.94

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Solution

The fourth proportional to 19,557.02, 29,335.23 and 7,869.94 is: 11,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.02 : 29,335.23 = 7,869.94 : x
  2. Step 2: Convert to fraction form
    19,557.02/29,335.23 = 7,869.94/x
  3. Step 3: Cross multiply
    19,557.02x = 29,335.23 × 7,869.94
  4. Step 4: Simplify right side
    19,557.02x = 230,866,426.65
  5. Step 5: Solve for x
    x = 230,866,426.65/19,557.02
  6. Step 6: Final answer
    x = 11,804.78

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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.