Home / 19,875.57-27,428.43-10,923.22

Finding the Fourth Proportional to 19,875.57, 27,428.43 and 10,923.22

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Solution

The fourth proportional to 19,875.57, 27,428.43 and 10,923.22 is: 15,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.57 : 27,428.43 = 10,923.22 : x
  2. Step 2: Convert to fraction form
    19,875.57/27,428.43 = 10,923.22/x
  3. Step 3: Cross multiply
    19,875.57x = 27,428.43 × 10,923.22
  4. Step 4: Simplify right side
    19,875.57x = 299,606,850.39
  5. Step 5: Solve for x
    x = 299,606,850.39/19,875.57
  6. Step 6: Final answer
    x = 15,074.13

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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.