Home / 14,003.32-21,008.56-4,645.95

Finding the Fourth Proportional to 14,003.32, 21,008.56 and 4,645.95

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Solution

The fourth proportional to 14,003.32, 21,008.56 and 4,645.95 is: 6,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.32 : 21,008.56 = 4,645.95 : x
  2. Step 2: Convert to fraction form
    14,003.32/21,008.56 = 4,645.95/x
  3. Step 3: Cross multiply
    14,003.32x = 21,008.56 × 4,645.95
  4. Step 4: Simplify right side
    14,003.32x = 97,604,719.33
  5. Step 5: Solve for x
    x = 97,604,719.33/14,003.32
  6. Step 6: Final answer
    x = 6,970.11

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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.