Home / 19,513.68-26,928.96-10,561.18

Finding the Fourth Proportional to 19,513.68, 26,928.96 and 10,561.18

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Solution

The fourth proportional to 19,513.68, 26,928.96 and 10,561.18 is: 14,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.68 : 26,928.96 = 10,561.18 : x
  2. Step 2: Convert to fraction form
    19,513.68/26,928.96 = 10,561.18/x
  3. Step 3: Cross multiply
    19,513.68x = 26,928.96 × 10,561.18
  4. Step 4: Simplify right side
    19,513.68x = 284,401,661.10
  5. Step 5: Solve for x
    x = 284,401,661.10/19,513.68
  6. Step 6: Final answer
    x = 14,574.47

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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.