Home / 19,326.02-28,988.79-5,475.02

Finding the Fourth Proportional to 19,326.02, 28,988.79 and 5,475.02

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Solution

The fourth proportional to 19,326.02, 28,988.79 and 5,475.02 is: 8,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.02 : 28,988.79 = 5,475.02 : x
  2. Step 2: Convert to fraction form
    19,326.02/28,988.79 = 5,475.02/x
  3. Step 3: Cross multiply
    19,326.02x = 28,988.79 × 5,475.02
  4. Step 4: Simplify right side
    19,326.02x = 158,714,205.03
  5. Step 5: Solve for x
    x = 158,714,205.03/19,326.02
  6. Step 6: Final answer
    x = 8,212.46

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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.