Home / 18,522.81-25,560.59-10,565.37

Finding the Fourth Proportional to 18,522.81, 25,560.59 and 10,565.37

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Solution

The fourth proportional to 18,522.81, 25,560.59 and 10,565.37 is: 14,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.81 : 25,560.59 = 10,565.37 : x
  2. Step 2: Convert to fraction form
    18,522.81/25,560.59 = 10,565.37/x
  3. Step 3: Cross multiply
    18,522.81x = 25,560.59 × 10,565.37
  4. Step 4: Simplify right side
    18,522.81x = 270,057,037.94
  5. Step 5: Solve for x
    x = 270,057,037.94/18,522.81
  6. Step 6: Final answer
    x = 14,579.70

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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.