Home / 19,985.15-27,579.52-11,032.66

Finding the Fourth Proportional to 19,985.15, 27,579.52 and 11,032.66

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Solution

The fourth proportional to 19,985.15, 27,579.52 and 11,032.66 is: 15,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.15 : 27,579.52 = 11,032.66 : x
  2. Step 2: Convert to fraction form
    19,985.15/27,579.52 = 11,032.66/x
  3. Step 3: Cross multiply
    19,985.15x = 27,579.52 × 11,032.66
  4. Step 4: Simplify right side
    19,985.15x = 304,275,515.39
  5. Step 5: Solve for x
    x = 304,275,515.39/19,985.15
  6. Step 6: Final answer
    x = 15,225.08

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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.