Home / 18,368.16-25,318.96-16,842.68

Finding the Fourth Proportional to 18,368.16, 25,318.96 and 16,842.68

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Solution

The fourth proportional to 18,368.16, 25,318.96 and 16,842.68 is: 23,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.16 : 25,318.96 = 16,842.68 : x
  2. Step 2: Convert to fraction form
    18,368.16/25,318.96 = 16,842.68/x
  3. Step 3: Cross multiply
    18,368.16x = 25,318.96 × 16,842.68
  4. Step 4: Simplify right side
    18,368.16x = 426,439,141.21
  5. Step 5: Solve for x
    x = 426,439,141.21/18,368.16
  6. Step 6: Final answer
    x = 23,216.21

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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.