Home / 19,701.82-27,184.53-12,534.58

Finding the Fourth Proportional to 19,701.82, 27,184.53 and 12,534.58

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Solution

The fourth proportional to 19,701.82, 27,184.53 and 12,534.58 is: 17,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.82 : 27,184.53 = 12,534.58 : x
  2. Step 2: Convert to fraction form
    19,701.82/27,184.53 = 12,534.58/x
  3. Step 3: Cross multiply
    19,701.82x = 27,184.53 × 12,534.58
  4. Step 4: Simplify right side
    19,701.82x = 340,746,666.05
  5. Step 5: Solve for x
    x = 340,746,666.05/19,701.82
  6. Step 6: Final answer
    x = 17,295.19

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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.