Home / 19,499.84-29,192.35-12,080.44

Finding the Fourth Proportional to 19,499.84, 29,192.35 and 12,080.44

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Solution

The fourth proportional to 19,499.84, 29,192.35 and 12,080.44 is: 18,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499.84 : 29,192.35 = 12,080.44 : x
  2. Step 2: Convert to fraction form
    19,499.84/29,192.35 = 12,080.44/x
  3. Step 3: Cross multiply
    19,499.84x = 29,192.35 × 12,080.44
  4. Step 4: Simplify right side
    19,499.84x = 352,656,461.57
  5. Step 5: Solve for x
    x = 352,656,461.57/19,499.84
  6. Step 6: Final answer
    x = 18,085.10

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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.