Home / 19,655.47-29,485.28-11,335.31

Finding the Fourth Proportional to 19,655.47, 29,485.28 and 11,335.31

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Solution

The fourth proportional to 19,655.47, 29,485.28 and 11,335.31 is: 17,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.47 : 29,485.28 = 11,335.31 : x
  2. Step 2: Convert to fraction form
    19,655.47/29,485.28 = 11,335.31/x
  3. Step 3: Cross multiply
    19,655.47x = 29,485.28 × 11,335.31
  4. Step 4: Simplify right side
    19,655.47x = 334,224,780.72
  5. Step 5: Solve for x
    x = 334,224,780.72/19,655.47
  6. Step 6: Final answer
    x = 17,004.16

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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.