Home / 19,643.69-27,111.15-11,030.84

Finding the Fourth Proportional to 19,643.69, 27,111.15 and 11,030.84

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Solution

The fourth proportional to 19,643.69, 27,111.15 and 11,030.84 is: 15,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.69 : 27,111.15 = 11,030.84 : x
  2. Step 2: Convert to fraction form
    19,643.69/27,111.15 = 11,030.84/x
  3. Step 3: Cross multiply
    19,643.69x = 27,111.15 × 11,030.84
  4. Step 4: Simplify right side
    19,643.69x = 299,058,757.87
  5. Step 5: Solve for x
    x = 299,058,757.87/19,643.69
  6. Step 6: Final answer
    x = 15,224.16

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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.