Home / 21,688.68-32,532.96-6,106.26

Finding the Fourth Proportional to 21,688.68, 32,532.96 and 6,106.26

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Solution

The fourth proportional to 21,688.68, 32,532.96 and 6,106.26 is: 9,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.68 : 32,532.96 = 6,106.26 : x
  2. Step 2: Convert to fraction form
    21,688.68/32,532.96 = 6,106.26/x
  3. Step 3: Cross multiply
    21,688.68x = 32,532.96 × 6,106.26
  4. Step 4: Simplify right side
    21,688.68x = 198,654,712.33
  5. Step 5: Solve for x
    x = 198,654,712.33/21,688.68
  6. Step 6: Final answer
    x = 9,159.37

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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.