Home / 19,991.34-27,585.63-11,038.14

Finding the Fourth Proportional to 19,991.34, 27,585.63 and 11,038.14

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Solution

The fourth proportional to 19,991.34, 27,585.63 and 11,038.14 is: 15,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.34 : 27,585.63 = 11,038.14 : x
  2. Step 2: Convert to fraction form
    19,991.34/27,585.63 = 11,038.14/x
  3. Step 3: Cross multiply
    19,991.34x = 27,585.63 × 11,038.14
  4. Step 4: Simplify right side
    19,991.34x = 304,494,045.93
  5. Step 5: Solve for x
    x = 304,494,045.93/19,991.34
  6. Step 6: Final answer
    x = 15,231.30

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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.