Home / 19,659.54-27,130.49-10,707.22

Finding the Fourth Proportional to 19,659.54, 27,130.49 and 10,707.22

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Solution

The fourth proportional to 19,659.54, 27,130.49 and 10,707.22 is: 14,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.54 : 27,130.49 = 10,707.22 : x
  2. Step 2: Convert to fraction form
    19,659.54/27,130.49 = 10,707.22/x
  3. Step 3: Cross multiply
    19,659.54x = 27,130.49 × 10,707.22
  4. Step 4: Simplify right side
    19,659.54x = 290,492,205.90
  5. Step 5: Solve for x
    x = 290,492,205.90/19,659.54
  6. Step 6: Final answer
    x = 14,776.14

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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.