Home / 13,635.42-18,830.70-10,273.02

Finding the Fourth Proportional to 13,635.42, 18,830.70 and 10,273.02

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Solution

The fourth proportional to 13,635.42, 18,830.70 and 10,273.02 is: 14,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.42 : 18,830.70 = 10,273.02 : x
  2. Step 2: Convert to fraction form
    13,635.42/18,830.70 = 10,273.02/x
  3. Step 3: Cross multiply
    13,635.42x = 18,830.70 × 10,273.02
  4. Step 4: Simplify right side
    13,635.42x = 193,448,157.71
  5. Step 5: Solve for x
    x = 193,448,157.71/13,635.42
  6. Step 6: Final answer
    x = 14,187.18

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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.