Home / 19,899.43-27,460.13-10,945.48

Finding the Fourth Proportional to 19,899.43, 27,460.13 and 10,945.48

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Solution

The fourth proportional to 19,899.43, 27,460.13 and 10,945.48 is: 15,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.43 : 27,460.13 = 10,945.48 : x
  2. Step 2: Convert to fraction form
    19,899.43/27,460.13 = 10,945.48/x
  3. Step 3: Cross multiply
    19,899.43x = 27,460.13 × 10,945.48
  4. Step 4: Simplify right side
    19,899.43x = 300,564,303.71
  5. Step 5: Solve for x
    x = 300,564,303.71/19,899.43
  6. Step 6: Final answer
    x = 15,104.17

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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.