Home / 22,341.12-33,517.20-15,780.12

Finding the Fourth Proportional to 22,341.12, 33,517.20 and 15,780.12

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Solution

The fourth proportional to 22,341.12, 33,517.20 and 15,780.12 is: 23,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,341.12 : 33,517.20 = 15,780.12 : x
  2. Step 2: Convert to fraction form
    22,341.12/33,517.20 = 15,780.12/x
  3. Step 3: Cross multiply
    22,341.12x = 33,517.20 × 15,780.12
  4. Step 4: Simplify right side
    22,341.12x = 528,905,438.06
  5. Step 5: Solve for x
    x = 528,905,438.06/22,341.12
  6. Step 6: Final answer
    x = 23,674.08

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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.