Home / 19,031.84-28,505.52-14,616.80

Finding the Fourth Proportional to 19,031.84, 28,505.52 and 14,616.80

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Solution

The fourth proportional to 19,031.84, 28,505.52 and 14,616.80 is: 21,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.84 : 28,505.52 = 14,616.80 : x
  2. Step 2: Convert to fraction form
    19,031.84/28,505.52 = 14,616.80/x
  3. Step 3: Cross multiply
    19,031.84x = 28,505.52 × 14,616.80
  4. Step 4: Simplify right side
    19,031.84x = 416,659,484.74
  5. Step 5: Solve for x
    x = 416,659,484.74/19,031.84
  6. Step 6: Final answer
    x = 21,892.76

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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.