Home / 12,713.24-19,155.89-10,569.80

Finding the Fourth Proportional to 12,713.24, 19,155.89 and 10,569.80

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Solution

The fourth proportional to 12,713.24, 19,155.89 and 10,569.80 is: 15,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.24 : 19,155.89 = 10,569.80 : x
  2. Step 2: Convert to fraction form
    12,713.24/19,155.89 = 10,569.80/x
  3. Step 3: Cross multiply
    12,713.24x = 19,155.89 × 10,569.80
  4. Step 4: Simplify right side
    12,713.24x = 202,473,926.12
  5. Step 5: Solve for x
    x = 202,473,926.12/12,713.24
  6. Step 6: Final answer
    x = 15,926.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.