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Finding the Fourth Proportional to 14,593.68, 21,776.64 and 13,022.88

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Solution

The fourth proportional to 14,593.68, 21,776.64 and 13,022.88 is: 19,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.68 : 21,776.64 = 13,022.88 : x
  2. Step 2: Convert to fraction form
    14,593.68/21,776.64 = 13,022.88/x
  3. Step 3: Cross multiply
    14,593.68x = 21,776.64 × 13,022.88
  4. Step 4: Simplify right side
    14,593.68x = 283,594,569.52
  5. Step 5: Solve for x
    x = 283,594,569.52/14,593.68
  6. Step 6: Final answer
    x = 19,432.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.