Home / 21,836.34-32,756.22-7,799.40

Finding the Fourth Proportional to 21,836.34, 32,756.22 and 7,799.40

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Solution

The fourth proportional to 21,836.34, 32,756.22 and 7,799.40 is: 11,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.34 : 32,756.22 = 7,799.40 : x
  2. Step 2: Convert to fraction form
    21,836.34/32,756.22 = 7,799.40/x
  3. Step 3: Cross multiply
    21,836.34x = 32,756.22 × 7,799.40
  4. Step 4: Simplify right side
    21,836.34x = 255,478,862.27
  5. Step 5: Solve for x
    x = 255,478,862.27/21,836.34
  6. Step 6: Final answer
    x = 11,699.71

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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.