Home / 21,532.31-32,298.46-6,742.38

Finding the Fourth Proportional to 21,532.31, 32,298.46 and 6,742.38

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Solution

The fourth proportional to 21,532.31, 32,298.46 and 6,742.38 is: 10,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.31 : 32,298.46 = 6,742.38 : x
  2. Step 2: Convert to fraction form
    21,532.31/32,298.46 = 6,742.38/x
  3. Step 3: Cross multiply
    21,532.31x = 32,298.46 × 6,742.38
  4. Step 4: Simplify right side
    21,532.31x = 217,768,588.34
  5. Step 5: Solve for x
    x = 217,768,588.34/21,532.31
  6. Step 6: Final answer
    x = 10,113.57

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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.