Home / 16,577.28-22,884.80-12,985.84

Finding the Fourth Proportional to 16,577.28, 22,884.80 and 12,985.84

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Solution

The fourth proportional to 16,577.28, 22,884.80 and 12,985.84 is: 17,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,577.28 : 22,884.80 = 12,985.84 : x
  2. Step 2: Convert to fraction form
    16,577.28/22,884.80 = 12,985.84/x
  3. Step 3: Cross multiply
    16,577.28x = 22,884.80 × 12,985.84
  4. Step 4: Simplify right side
    16,577.28x = 297,178,314.91
  5. Step 5: Solve for x
    x = 297,178,314.91/16,577.28
  6. Step 6: Final answer
    x = 17,926.84

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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.