Home / 19,302.90-26,643.24-11,347.68

Finding the Fourth Proportional to 19,302.90, 26,643.24 and 11,347.68

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Solution

The fourth proportional to 19,302.90, 26,643.24 and 11,347.68 is: 15,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.90 : 26,643.24 = 11,347.68 : x
  2. Step 2: Convert to fraction form
    19,302.90/26,643.24 = 11,347.68/x
  3. Step 3: Cross multiply
    19,302.90x = 26,643.24 × 11,347.68
  4. Step 4: Simplify right side
    19,302.90x = 302,338,961.68
  5. Step 5: Solve for x
    x = 302,338,961.68/19,302.90
  6. Step 6: Final answer
    x = 15,662.88

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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.