Home / 20,587.23-30,807.03-17,823.41

Finding the Fourth Proportional to 20,587.23, 30,807.03 and 17,823.41

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Solution

The fourth proportional to 20,587.23, 30,807.03 and 17,823.41 is: 26,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.23 : 30,807.03 = 17,823.41 : x
  2. Step 2: Convert to fraction form
    20,587.23/30,807.03 = 17,823.41/x
  3. Step 3: Cross multiply
    20,587.23x = 30,807.03 × 17,823.41
  4. Step 4: Simplify right side
    20,587.23x = 549,086,326.57
  5. Step 5: Solve for x
    x = 549,086,326.57/20,587.23
  6. Step 6: Final answer
    x = 26,671.21

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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.