Home / 19,314.90-26,654.10-11,357.64

Finding the Fourth Proportional to 19,314.90, 26,654.10 and 11,357.64

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Solution

The fourth proportional to 19,314.90, 26,654.10 and 11,357.64 is: 15,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.90 : 26,654.10 = 11,357.64 : x
  2. Step 2: Convert to fraction form
    19,314.90/26,654.10 = 11,357.64/x
  3. Step 3: Cross multiply
    19,314.90x = 26,654.10 × 11,357.64
  4. Step 4: Simplify right side
    19,314.90x = 302,727,672.32
  5. Step 5: Solve for x
    x = 302,727,672.32/19,314.90
  6. Step 6: Final answer
    x = 15,673.27

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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.