Home / 19,621.49-29,432.23-5,770.49

Finding the Fourth Proportional to 19,621.49, 29,432.23 and 5,770.49

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Solution

The fourth proportional to 19,621.49, 29,432.23 and 5,770.49 is: 8,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.49 : 29,432.23 = 5,770.49 : x
  2. Step 2: Convert to fraction form
    19,621.49/29,432.23 = 5,770.49/x
  3. Step 3: Cross multiply
    19,621.49x = 29,432.23 × 5,770.49
  4. Step 4: Simplify right side
    19,621.49x = 169,838,392.86
  5. Step 5: Solve for x
    x = 169,838,392.86/19,621.49
  6. Step 6: Final answer
    x = 8,655.73

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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.