Home / 18,275.92-25,208.28-11,570.08

Finding the Fourth Proportional to 18,275.92, 25,208.28 and 11,570.08

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Solution

The fourth proportional to 18,275.92, 25,208.28 and 11,570.08 is: 15,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.92 : 25,208.28 = 11,570.08 : x
  2. Step 2: Convert to fraction form
    18,275.92/25,208.28 = 11,570.08/x
  3. Step 3: Cross multiply
    18,275.92x = 25,208.28 × 11,570.08
  4. Step 4: Simplify right side
    18,275.92x = 291,661,816.26
  5. Step 5: Solve for x
    x = 291,661,816.26/18,275.92
  6. Step 6: Final answer
    x = 15,958.80

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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.