Home / 21,400.68-32,104.61-7,360.14

Finding the Fourth Proportional to 21,400.68, 32,104.61 and 7,360.14

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Solution

The fourth proportional to 21,400.68, 32,104.61 and 7,360.14 is: 11,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.68 : 32,104.61 = 7,360.14 : x
  2. Step 2: Convert to fraction form
    21,400.68/32,104.61 = 7,360.14/x
  3. Step 3: Cross multiply
    21,400.68x = 32,104.61 × 7,360.14
  4. Step 4: Simplify right side
    21,400.68x = 236,294,424.25
  5. Step 5: Solve for x
    x = 236,294,424.25/21,400.68
  6. Step 6: Final answer
    x = 11,041.44

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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.