Home / 18,533.36-25,569.69-10,569.86

Finding the Fourth Proportional to 18,533.36, 25,569.69 and 10,569.86

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Solution

The fourth proportional to 18,533.36, 25,569.69 and 10,569.86 is: 14,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.36 : 25,569.69 = 10,569.86 : x
  2. Step 2: Convert to fraction form
    18,533.36/25,569.69 = 10,569.86/x
  3. Step 3: Cross multiply
    18,533.36x = 25,569.69 × 10,569.86
  4. Step 4: Simplify right side
    18,533.36x = 270,268,043.54
  5. Step 5: Solve for x
    x = 270,268,043.54/18,533.36
  6. Step 6: Final answer
    x = 14,582.79

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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.