Home / 18,393.28-25,382.24-10,009.60

Finding the Fourth Proportional to 18,393.28, 25,382.24 and 10,009.60

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Solution

The fourth proportional to 18,393.28, 25,382.24 and 10,009.60 is: 13,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.28 : 25,382.24 = 10,009.60 : x
  2. Step 2: Convert to fraction form
    18,393.28/25,382.24 = 10,009.60/x
  3. Step 3: Cross multiply
    18,393.28x = 25,382.24 × 10,009.60
  4. Step 4: Simplify right side
    18,393.28x = 254,066,069.50
  5. Step 5: Solve for x
    x = 254,066,069.50/18,393.28
  6. Step 6: Final answer
    x = 13,812.98

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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.