Home / 19,290.33-26,625-11,335.11

Finding the Fourth Proportional to 19,290.33, 26,625 and 11,335.11

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Solution

The fourth proportional to 19,290.33, 26,625 and 11,335.11 is: 15,645.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.33 : 26,625 = 11,335.11 : x
  2. Step 2: Convert to fraction form
    19,290.33/26,625 = 11,335.11/x
  3. Step 3: Cross multiply
    19,290.33x = 26,625 × 11,335.11
  4. Step 4: Simplify right side
    19,290.33x = 301,797,303.75
  5. Step 5: Solve for x
    x = 301,797,303.75/19,290.33
  6. Step 6: Final answer
    x = 15,645.00

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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.