Home / 13,426.43-18,527.74-10,277.15

Finding the Fourth Proportional to 13,426.43, 18,527.74 and 10,277.15

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Solution

The fourth proportional to 13,426.43, 18,527.74 and 10,277.15 is: 14,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.43 : 18,527.74 = 10,277.15 : x
  2. Step 2: Convert to fraction form
    13,426.43/18,527.74 = 10,277.15/x
  3. Step 3: Cross multiply
    13,426.43x = 18,527.74 × 10,277.15
  4. Step 4: Simplify right side
    13,426.43x = 190,412,244.81
  5. Step 5: Solve for x
    x = 190,412,244.81/13,426.43
  6. Step 6: Final answer
    x = 14,181.90

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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.