Home / 19,710.36-27,210.33-15,224.04

Finding the Fourth Proportional to 19,710.36, 27,210.33 and 15,224.04

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Solution

The fourth proportional to 19,710.36, 27,210.33 and 15,224.04 is: 21,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.36 : 27,210.33 = 15,224.04 : x
  2. Step 2: Convert to fraction form
    19,710.36/27,210.33 = 15,224.04/x
  3. Step 3: Cross multiply
    19,710.36x = 27,210.33 × 15,224.04
  4. Step 4: Simplify right side
    19,710.36x = 414,251,152.33
  5. Step 5: Solve for x
    x = 414,251,152.33/19,710.36
  6. Step 6: Final answer
    x = 21,016.92

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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.