Home / 18,715.08-25,825.86-10,329.96

Finding the Fourth Proportional to 18,715.08, 25,825.86 and 10,329.96

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Solution

The fourth proportional to 18,715.08, 25,825.86 and 10,329.96 is: 14,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.08 : 25,825.86 = 10,329.96 : x
  2. Step 2: Convert to fraction form
    18,715.08/25,825.86 = 10,329.96/x
  3. Step 3: Cross multiply
    18,715.08x = 25,825.86 × 10,329.96
  4. Step 4: Simplify right side
    18,715.08x = 266,780,100.77
  5. Step 5: Solve for x
    x = 266,780,100.77/18,715.08
  6. Step 6: Final answer
    x = 14,254.82

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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.