Home / 23,631.21-32,610.81-13,422.18

Finding the Fourth Proportional to 23,631.21, 32,610.81 and 13,422.18

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Solution

The fourth proportional to 23,631.21, 32,610.81 and 13,422.18 is: 18,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,631.21 : 32,610.81 = 13,422.18 : x
  2. Step 2: Convert to fraction form
    23,631.21/32,610.81 = 13,422.18/x
  3. Step 3: Cross multiply
    23,631.21x = 32,610.81 × 13,422.18
  4. Step 4: Simplify right side
    23,631.21x = 437,708,089.81
  5. Step 5: Solve for x
    x = 437,708,089.81/23,631.21
  6. Step 6: Final answer
    x = 18,522.45

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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.