Home / 19,302.66-28,937.58-18,384.12

Finding the Fourth Proportional to 19,302.66, 28,937.58 and 18,384.12

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Solution

The fourth proportional to 19,302.66, 28,937.58 and 18,384.12 is: 27,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.66 : 28,937.58 = 18,384.12 : x
  2. Step 2: Convert to fraction form
    19,302.66/28,937.58 = 18,384.12/x
  3. Step 3: Cross multiply
    19,302.66x = 28,937.58 × 18,384.12
  4. Step 4: Simplify right side
    19,302.66x = 531,991,943.23
  5. Step 5: Solve for x
    x = 531,991,943.23/19,302.66
  6. Step 6: Final answer
    x = 27,560.55

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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.