Home / 19,985.02-27,578.88-11,032.00

Finding the Fourth Proportional to 19,985.02, 27,578.88 and 11,032.00

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Solution

The fourth proportional to 19,985.02, 27,578.88 and 11,032.00 is: 15,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.02 : 27,578.88 = 11,032.00 : x
  2. Step 2: Convert to fraction form
    19,985.02/27,578.88 = 11,032.00/x
  3. Step 3: Cross multiply
    19,985.02x = 27,578.88 × 11,032.00
  4. Step 4: Simplify right side
    19,985.02x = 304,250,135.21
  5. Step 5: Solve for x
    x = 304,250,135.21/19,985.02
  6. Step 6: Final answer
    x = 15,223.91

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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.