Home / 21,461.71-32,197.18-7,231.60

Finding the Fourth Proportional to 21,461.71, 32,197.18 and 7,231.60

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Solution

The fourth proportional to 21,461.71, 32,197.18 and 7,231.60 is: 10,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.71 : 32,197.18 = 7,231.60 : x
  2. Step 2: Convert to fraction form
    21,461.71/32,197.18 = 7,231.60/x
  3. Step 3: Cross multiply
    21,461.71x = 32,197.18 × 7,231.60
  4. Step 4: Simplify right side
    21,461.71x = 232,837,108.81
  5. Step 5: Solve for x
    x = 232,837,108.81/21,461.71
  6. Step 6: Final answer
    x = 10,848.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.