Home / 19,824.49-29,733.81-5,780.74

Finding the Fourth Proportional to 19,824.49, 29,733.81 and 5,780.74

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Solution

The fourth proportional to 19,824.49, 29,733.81 and 5,780.74 is: 8,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.49 : 29,733.81 = 5,780.74 : x
  2. Step 2: Convert to fraction form
    19,824.49/29,733.81 = 5,780.74/x
  3. Step 3: Cross multiply
    19,824.49x = 29,733.81 × 5,780.74
  4. Step 4: Simplify right side
    19,824.49x = 171,883,276.15
  5. Step 5: Solve for x
    x = 171,883,276.15/19,824.49
  6. Step 6: Final answer
    x = 8,670.25

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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.