Home / 18,349.86-25,322.13-9,966.18

Finding the Fourth Proportional to 18,349.86, 25,322.13 and 9,966.18

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Solution

The fourth proportional to 18,349.86, 25,322.13 and 9,966.18 is: 13,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.86 : 25,322.13 = 9,966.18 : x
  2. Step 2: Convert to fraction form
    18,349.86/25,322.13 = 9,966.18/x
  3. Step 3: Cross multiply
    18,349.86x = 25,322.13 × 9,966.18
  4. Step 4: Simplify right side
    18,349.86x = 252,364,905.56
  5. Step 5: Solve for x
    x = 252,364,905.56/18,349.86
  6. Step 6: Final answer
    x = 13,752.96

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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.