Home / 19,684.51-27,164.63-11,301.01

Finding the Fourth Proportional to 19,684.51, 27,164.63 and 11,301.01

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Solution

The fourth proportional to 19,684.51, 27,164.63 and 11,301.01 is: 15,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.51 : 27,164.63 = 11,301.01 : x
  2. Step 2: Convert to fraction form
    19,684.51/27,164.63 = 11,301.01/x
  3. Step 3: Cross multiply
    19,684.51x = 27,164.63 × 11,301.01
  4. Step 4: Simplify right side
    19,684.51x = 306,987,715.62
  5. Step 5: Solve for x
    x = 306,987,715.62/19,684.51
  6. Step 6: Final answer
    x = 15,595.40

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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.