Home / 19,653.03-27,121.89-10,700.10

Finding the Fourth Proportional to 19,653.03, 27,121.89 and 10,700.10

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Solution

The fourth proportional to 19,653.03, 27,121.89 and 10,700.10 is: 14,766.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.03 : 27,121.89 = 10,700.10 : x
  2. Step 2: Convert to fraction form
    19,653.03/27,121.89 = 10,700.10/x
  3. Step 3: Cross multiply
    19,653.03x = 27,121.89 × 10,700.10
  4. Step 4: Simplify right side
    19,653.03x = 290,206,935.19
  5. Step 5: Solve for x
    x = 290,206,935.19/19,653.03
  6. Step 6: Final answer
    x = 14,766.52

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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.