Home / 24,219.50-33,436.61-15,729.22

Finding the Fourth Proportional to 24,219.50, 33,436.61 and 15,729.22

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Solution

The fourth proportional to 24,219.50, 33,436.61 and 15,729.22 is: 21,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,219.50 : 33,436.61 = 15,729.22 : x
  2. Step 2: Convert to fraction form
    24,219.50/33,436.61 = 15,729.22/x
  3. Step 3: Cross multiply
    24,219.50x = 33,436.61 × 15,729.22
  4. Step 4: Simplify right side
    24,219.50x = 525,931,794.74
  5. Step 5: Solve for x
    x = 525,931,794.74/24,219.50
  6. Step 6: Final answer
    x = 21,715.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.