Home / 19,570.28-27,007.09-10,617.80

Finding the Fourth Proportional to 19,570.28, 27,007.09 and 10,617.80

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Solution

The fourth proportional to 19,570.28, 27,007.09 and 10,617.80 is: 14,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.28 : 27,007.09 = 10,617.80 : x
  2. Step 2: Convert to fraction form
    19,570.28/27,007.09 = 10,617.80/x
  3. Step 3: Cross multiply
    19,570.28x = 27,007.09 × 10,617.80
  4. Step 4: Simplify right side
    19,570.28x = 286,755,718.62
  5. Step 5: Solve for x
    x = 286,755,718.62/19,570.28
  6. Step 6: Final answer
    x = 14,652.62

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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.