Home / 16,693.11-23,036.45-9,978.41

Finding the Fourth Proportional to 16,693.11, 23,036.45 and 9,978.41

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Solution

The fourth proportional to 16,693.11, 23,036.45 and 9,978.41 is: 13,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.11 : 23,036.45 = 9,978.41 : x
  2. Step 2: Convert to fraction form
    16,693.11/23,036.45 = 9,978.41/x
  3. Step 3: Cross multiply
    16,693.11x = 23,036.45 × 9,978.41
  4. Step 4: Simplify right side
    16,693.11x = 229,866,977.97
  5. Step 5: Solve for x
    x = 229,866,977.97/16,693.11
  6. Step 6: Final answer
    x = 13,770.17

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1.5x scale

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.