Home / 18,383.46-25,374.90-10,430.94

Finding the Fourth Proportional to 18,383.46, 25,374.90 and 10,430.94

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Solution

The fourth proportional to 18,383.46, 25,374.90 and 10,430.94 is: 14,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.46 : 25,374.90 = 10,430.94 : x
  2. Step 2: Convert to fraction form
    18,383.46/25,374.90 = 10,430.94/x
  3. Step 3: Cross multiply
    18,383.46x = 25,374.90 × 10,430.94
  4. Step 4: Simplify right side
    18,383.46x = 264,684,059.41
  5. Step 5: Solve for x
    x = 264,684,059.41/18,383.46
  6. Step 6: Final answer
    x = 14,397.95

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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.