Home / 18,822.94-25,975.51-10,865.00

Finding the Fourth Proportional to 18,822.94, 25,975.51 and 10,865.00

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Solution

The fourth proportional to 18,822.94, 25,975.51 and 10,865.00 is: 14,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.94 : 25,975.51 = 10,865.00 : x
  2. Step 2: Convert to fraction form
    18,822.94/25,975.51 = 10,865.00/x
  3. Step 3: Cross multiply
    18,822.94x = 25,975.51 × 10,865.00
  4. Step 4: Simplify right side
    18,822.94x = 282,223,953.93
  5. Step 5: Solve for x
    x = 282,223,953.93/18,822.94
  6. Step 6: Final answer
    x = 14,993.62

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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.