Home / 19,589.12-27,032.64-11,204.48

Finding the Fourth Proportional to 19,589.12, 27,032.64 and 11,204.48

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Solution

The fourth proportional to 19,589.12, 27,032.64 and 11,204.48 is: 15,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.12 : 27,032.64 = 11,204.48 : x
  2. Step 2: Convert to fraction form
    19,589.12/27,032.64 = 11,204.48/x
  3. Step 3: Cross multiply
    19,589.12x = 27,032.64 × 11,204.48
  4. Step 4: Simplify right side
    19,589.12x = 302,886,674.23
  5. Step 5: Solve for x
    x = 302,886,674.23/19,589.12
  6. Step 6: Final answer
    x = 15,461.98

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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.