Home / 19,782.23-27,312.20-17,654.10

Finding the Fourth Proportional to 19,782.23, 27,312.20 and 17,654.10

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Solution

The fourth proportional to 19,782.23, 27,312.20 and 17,654.10 is: 24,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.23 : 27,312.20 = 17,654.10 : x
  2. Step 2: Convert to fraction form
    19,782.23/27,312.20 = 17,654.10/x
  3. Step 3: Cross multiply
    19,782.23x = 27,312.20 × 17,654.10
  4. Step 4: Simplify right side
    19,782.23x = 482,172,438.47
  5. Step 5: Solve for x
    x = 482,172,438.47/19,782.23
  6. Step 6: Final answer
    x = 24,374.02

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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.