Home / 19,899.09-27,460.05-10,946.07

Finding the Fourth Proportional to 19,899.09, 27,460.05 and 10,946.07

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Solution

The fourth proportional to 19,899.09, 27,460.05 and 10,946.07 is: 15,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.09 : 27,460.05 = 10,946.07 : x
  2. Step 2: Convert to fraction form
    19,899.09/27,460.05 = 10,946.07/x
  3. Step 3: Cross multiply
    19,899.09x = 27,460.05 × 10,946.07
  4. Step 4: Simplify right side
    19,899.09x = 300,579,629.50
  5. Step 5: Solve for x
    x = 300,579,629.50/19,899.09
  6. Step 6: Final answer
    x = 15,105.19

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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.